tk: cleanup & add PACKAGECONFIG
tk: cleanup & add PACKAGECONFIG

Changes:
- add PACKAGECONFIG "xft" enables XFontConfig features
- add PACKAGECONFIG "xss" enables XScreenSaver extension
- use ${BPN} and ${PV}
- use ${VER} intermediate variable for readability
- fulfill LIC_FILES_CHKSUM
- remove BINCONFIG_GLOB: inherit binconfig is not present, lib/tkConfig.sh paths are valid
- add SSTATE_SCAN_FILES, like it is done in tcl recipe (OE-Core)

Note: tcl and tk are sharing the same licence, tcl licence file in commited in OE-Core.

Signed-off-by: Matthieu Crapet <bb427efcdc30bf2b76fb79ab13c30df347171051@ingenico.com>
Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

VCTLabs/meta-openembedded,amery/meta-openembedded,joelagnel/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,RealVNC/yocto_imx6sabreauto_meta-openembedded,moto-timo/meta-openembedded,shr-distribution/meta-oe,RedFIR/meta-openembedded,dongkc/meta-openembedded,fredcadete/meta-openembedded,rofehr/meta-openembedded,VCTLabs/meta-openembedded,dongkc/meta-openembedded,moto-timo/meta-openembedded,joelagnel/meta-openembedded,trikset/meta-openembedded,fredcadete/meta-openembedded,MCherifiOSS/meta-openembedded,epylar/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,mrchapp/meta-openembedded,MCherifiOSS/meta-openembedded,joelagnel/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,MCherifiOSS/meta-openembedded,VCTLabs/meta-openembedded,shr-distribution/meta-oe,epylar/meta-openembedded,amery/meta-openembedded,shr-distribution/meta-oe,rofehr/meta-openembedded,VCTLabs/meta-openembedded,dongkc/meta-openembedded,fredcadete/meta-openembedded,lgirdk/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,lgirdk/meta-openembedded,tobw/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,MCherifiOSS/meta-openembedded,dongkc/meta-openembedded,rofehr/meta-openembedded,moto-timo/meta-openembedded,kraj/meta-openembedded,akuster/meta-openembedded,rofehr/meta-openembedded,openembedded/meta-openembedded,MCherifiOSS/meta-openembedded,fredcadete/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,shr-distribution/meta-oe,epylar/meta-openembedded,lixinfnst/meta-openembedded,kraj/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,akuster/meta-openembedded,epylar/meta-openembedded,RealVNC/yocto_imx6sabreauto_meta-openembedded,rofehr/meta-openembedded,RedFIR/meta-openembedded,rofehr/meta-openembedded,epylar/meta-openembedded,openembedded/meta-openembedded,rdm-dev/meta-openembedded,amery/meta-openembedded,lgirdk/meta-openembedded,schnitzeltony/meta-openembedded,fredcadete/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,RedFIR/meta-openembedded,rehsack/meta-openembedded,RedFIR/meta-openembedded,rdm-dev/meta-openembedded,amery/meta-openembedded,shr-distribution/meta-oe,schnitzeltony/meta-openembedded,fredcadete/meta-openembedded,openembedded/meta-openembedded,rdm-dev/meta-openembedded,joelagnel/meta-openembedded,schnitzeltony/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,sigma-embedded/elito-org.openembedded.meta,rofehr/meta-openembedded,lixinfnst/meta-openembedded,RealVNC/yocto_imx6sabreauto_meta-openembedded,kraj/meta-openembedded,shr-distribution/meta-oe,rdm-dev/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,fredcadete/meta-openembedded,trikset/meta-openembedded,trikset/meta-openembedded,MCherifiOSS/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,VCTLabs/meta-openembedded,moto-timo/meta-openembedded,dm8tbr/kodi-wip,victronenergy/meta-openembedded,dm8tbr/kodi-wip,victronenergy/meta-openembedded,openembedded/meta-openembedded,RedFIR/meta-openembedded,kraj/meta-openembedded,victronenergy/meta-openembedded,trikset/meta-openembedded,amery/meta-openembedded,RealVNC/yocto_imx6sabreauto_meta-openembedded,victronenergy/meta-openembedded,RedFIR/meta-openembedded,trikset/meta-openembedded,lixinfnst/meta-openembedded,RedFIR/meta-openembedded,rehsack/meta-openembedded,lgirdk/meta-openembedded,tobw/meta-openembedded,amery/meta-openembedded,openembedded/meta-openembedded,rofehr/meta-openembedded,akuster/meta-openembedded,RealVNC/yocto_imx6sabreauto_meta-openembedded,moto-timo/meta-openembedded,rdm-dev/meta-openembedded,joelagnel/meta-openembedded,dm8tbr/kodi-wip,akuster/meta-openembedded,epylar/meta-openembedded,tobw/meta-openembedded,dm8tbr/kodi-wip,rdm-dev/meta-openembedded,victronenergy/meta-openembedded,lgirdk/meta-openembedded,epylar/meta-openembedded,kraj/meta-openembedded,lgirdk/meta-openembedded,mrchapp/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,rdm-dev/meta-openembedded,amery/meta-openembedded,dm8tbr/kodi-wip,tobw/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,joelagnel/meta-openembedded,lixinfnst/meta-openembedded,shr-distribution/meta-oe,tobw/meta-openembedded,mrchapp/meta-openembedded,rdm-dev/meta-openembedded,trikset/meta-openembedded,kraj/meta-openembedded,joelagnel/meta-openembedded,lixinfnst/meta-openembedded,schnitzeltony/meta-openembedded,fredcadete/meta-openembedded,akuster/meta-openembedded,amery/meta-openembedded,dm8tbr/kodi-wip,dm8tbr/kodi-wip,epylar/meta-openembedded,joelagnel/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,trikset/meta-openembedded,mrchapp/meta-openembedded,dm8tbr/kodi-wip,lixinfnst/meta-openembedded,trikset/meta-openembedded,RedFIR/meta-openembedded,kraj/meta-openembedded,VCTLabs/meta-openembedded,shr-distribution/meta-oe,dongkc/meta-openembedded,tobw/meta-openembedded,VCTLabs/meta-openembedded