task-proper-tools.bb: Exclude some packages if DISTRO_FEATURES lacks ipv6.
task-proper-tools.bb: Exclude some packages if DISTRO_FEATURES lacks ipv6.

Signed-off-by: Graham Gower <14ac8c36f04af7a610c741356cea94f7aa03474b@gmail.com>
Acked-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

nx111/openembeded_openpli2.1_nx111,trini/openembedded,yyli/overo-oe,SIFTeam/openembedded,sampov2/audio-openembedded,sampov2/audio-openembedded,sledz/oe,thebohemian/openembedded,giobauermeister/openembedded,dave-billin/overo-ui-moos-auv,openembedded/openembedded,sutajiokousagi/openembedded,dave-billin/overo-ui-moos-auv,hulifox008/openembedded,sampov2/audio-openembedded,dave-billin/overo-ui-moos-auv,thebohemian/openembedded,buglabs/oe-buglabs,dellysunnymtech/sakoman-oe,thebohemian/openembedded,nx111/openembeded_openpli2.1_nx111,SIFTeam/openembedded,scottellis/overo-oe,John-NY/overo-oe,sledz/oe,xifengchuo/openembedded,sentient-energy/emsw-oe-mirror,dave-billin/overo-ui-moos-auv,hulifox008/openembedded,dellysunnymtech/sakoman-oe,sutajiokousagi/openembedded,scottellis/overo-oe,JamesAng/goe,scottellis/overo-oe,mrchapp/arago-oe-dev,yyli/overo-oe,buglabs/oe-buglabs,SIFTeam/openembedded,nx111/openembeded_openpli2.1_nx111,dellysunnymtech/sakoman-oe,BlackPole/bp-openembedded,sutajiokousagi/openembedded,nx111/openembeded_openpli2.1_nx111,JamesAng/goe,rascalmicro/openembedded-rascal,BlackPole/bp-openembedded,dellysunnymtech/sakoman-oe,xifengchuo/openembedded,SIFTeam/openembedded,dellysunnymtech/sakoman-oe,JamesAng/oe,dellysunnymtech/sakoman-oe,sentient-energy/emsw-oe-mirror,giobauermeister/openembedded,xifengchuo/openembedded,sentient-energy/emsw-oe-mirror,sentient-energy/emsw-oe-mirror,John-NY/overo-oe,sentient-energy/emsw-oe-mirror,nx111/openembeded_openpli2.1_nx111,sampov2/audio-openembedded,dellysunnymtech/sakoman-oe,yyli/overo-oe,nx111/openembeded_openpli2.1_nx111,hulifox008/openembedded,xifengchuo/openembedded,John-NY/overo-oe,BlackPole/bp-openembedded,mrchapp/arago-oe-dev,nx111/openembeded_openpli2.1_nx111,SIFTeam/openembedded,mrchapp/arago-oe-dev,thebohemian/openembedded,openembedded/openembedded,JamesAng/oe,John-NY/overo-oe,John-NY/overo-oe,buglabs/oe-buglabs,sledz/oe,mrchapp/arago-oe-dev,JamesAng/goe,trini/openembedded,openembedded/openembedded,scottellis/overo-oe,yyli/overo-oe,hulifox008/openembedded,JamesAng/oe,JamesAng/oe,openembedded/openembedded,hulifox008/openembedded,rascalmicro/openembedded-rascal,thebohemian/openembedded,JamesAng/oe,trini/openembedded,BlackPole/bp-openembedded,openembedded/openembedded,openembedded/openembedded,thebohemian/openembedded,rascalmicro/openembedded-rascal,JamesAng/goe,JamesAng/oe,xifengchuo/openembedded,trini/openembedded,giobauermeister/openembedded,rascalmicro/openembedded-rascal,sledz/oe,trini/openembedded,buglabs/oe-buglabs,buglabs/oe-buglabs,sampov2/audio-openembedded,xifengchuo/openembedded,dellysunnymtech/sakoman-oe,sutajiokousagi/openembedded,SIFTeam/openembedded,sutajiokousagi/openembedded,rascalmicro/openembedded-rascal,hulifox008/openembedded,JamesAng/goe,nx111/openembeded_openpli2.1_nx111,giobauermeister/openembedded,mrchapp/arago-oe-dev,yyli/overo-oe,buglabs/oe-buglabs,BlackPole/bp-openembedded,openembedded/openembedded,SIFTeam/openembedded,mrchapp/arago-oe-dev,giobauermeister/openembedded,dave-billin/overo-ui-moos-auv,dave-billin/overo-ui-moos-auv,BlackPole/bp-openembedded,rascalmicro/openembedded-rascal,giobauermeister/openembedded,JamesAng/oe,dellysunnymtech/sakoman-oe,dave-billin/overo-ui-moos-auv,openembedded/openembedded,scottellis/overo-oe,trini/openembedded,scottellis/overo-oe,yyli/overo-oe,trini/openembedded,xifengchuo/openembedded,buglabs/oe-buglabs,buglabs/oe-buglabs,hulifox008/openembedded,xifengchuo/openembedded,sentient-energy/emsw-oe-mirror,openembedded/openembedded,John-NY/overo-oe,sampov2/audio-openembedded,mrchapp/arago-oe-dev,yyli/overo-oe,sledz/oe,JamesAng/goe,sentient-energy/emsw-oe-mirror,sledz/oe,yyli/overo-oe,rascalmicro/openembedded-rascal,sutajiokousagi/openembedded,thebohemian/openembedded,xifengchuo/openembedded,rascalmicro/openembedded-rascal,sledz/oe,JamesAng/goe,John-NY/overo-oe,openembedded/openembedded,scottellis/overo-oe,openembedded/openembedded,giobauermeister/openembedded,sutajiokousagi/openembedded,sampov2/audio-openembedded,BlackPole/bp-openembedded,giobauermeister/openembedded,giobauermeister/openembedded