flex: added perl to dependencies
flex: added perl to dependencies

Without it (rebuilding from packaged staging) I got:

| /home/frans/oe/tmp_minimal/work/i686-linux/flex-native-2.5.35-r5.1/temp/run.do_configure.12240:
/home/frans/oe/tmp_minimal/sysroots/i686-linux/usr/bin/automake:
/home/frans/oe/tmp_minimal/sysroots/i686-linux/usr/bin/perl: bad interpreter: No such file or directory

Signed-off-by: Frans Meulenbroeks <6def945a6cdf470073fde46d27fb7849dda40aca@gmail.com>

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