run-qemu.sh: Update docs / help output
run-qemu.sh: Update docs / help output

- The old second argument is the third argument now, so change that.
- Document the new second argument, libc
- Update the arch list

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

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