gdb-cross-sdk: Only fixup sim Makefiles that exist
gdb-cross-sdk: Only fixup sim Makefiles that exist

This can fail for versions that just pass in --disable-sim

Signed-off-by: Tom Rini <4c3d5c8f8c21c27dd329bd585f481113514551fd@mentor.com>

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