fbset-modes: fix a warning about not existant S
fbset-modes: fix a warning about not existant S

   Set the S variable to $WORKDIR to remove the warning about S being not
existant

Signed-off-by: Chunrong Guo <af6cfb1004dc02cb2677182c657eaffcef528f46@freescale.com>
Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

fredcadete/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,epylar/meta-openembedded,shr-distribution/meta-oe,lgirdk/meta-openembedded,rdm-dev/meta-openembedded,lgirdk/meta-openembedded,kraj/meta-openembedded,rofehr/meta-openembedded,epylar/meta-openembedded,RedFIR/meta-openembedded,lgirdk/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,RedFIR/meta-openembedded,lgirdk/meta-openembedded,rdm-dev/meta-openembedded,shr-distribution/meta-oe,epylar/meta-openembedded,shr-distribution/meta-oe,mrchapp/meta-openembedded,VCTLabs/meta-openembedded,VCTLabs/meta-openembedded,amery/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,MCherifiOSS/meta-openembedded,joelagnel/meta-openembedded,VCTLabs/meta-openembedded,openembedded/meta-openembedded,epylar/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,openembedded/meta-openembedded,mrchapp/meta-openembedded,kraj/meta-openembedded,moto-timo/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded,lixinfnst/meta-openembedded,rdm-dev/meta-openembedded,amery/meta-openembedded,lgirdk/meta-openembedded,fredcadete/meta-openembedded,victronenergy/meta-openembedded,rehsack/meta-openembedded,MCherifiOSS/meta-openembedded,schnitzeltony/meta-openembedded,joelagnel/meta-openembedded,MCherifiOSS/meta-openembedded,rofehr/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,MCherifiOSS/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,rehsack/meta-openembedded,schnitzeltony/meta-openembedded,fredcadete/meta-openembedded,fredcadete/meta-openembedded,victronenergy/meta-openembedded,moto-timo/meta-openembedded,shr-distribution/meta-oe,lixinfnst/meta-openembedded,amery/meta-openembedded,epylar/meta-openembedded,rofehr/meta-openembedded,amery/meta-openembedded,lixinfnst/meta-openembedded,amery/meta-openembedded,victronenergy/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,epylar/meta-openembedded,rehsack/meta-openembedded,rdm-dev/meta-openembedded,victronenergy/meta-openembedded,amery/meta-openembedded,joelagnel/meta-openembedded,rofehr/meta-openembedded,MCherifiOSS/meta-openembedded,joelagnel/meta-openembedded,rofehr/meta-openembedded,kraj/meta-openembedded,VCTLabs/meta-openembedded,rofehr/meta-openembedded,lgirdk/meta-openembedded,lixinfnst/meta-openembedded,mrchapp/meta-openembedded,joelagnel/meta-openembedded,rdm-dev/meta-openembedded,RedFIR/meta-openembedded,shr-distribution/meta-oe,joelagnel/meta-openembedded,moto-timo/meta-openembedded,MCherifiOSS/meta-openembedded,fredcadete/meta-openembedded,moto-timo/meta-openembedded,kraj/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,VCTLabs/meta-openembedded,fredcadete/meta-openembedded,kraj/meta-openembedded,amery/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,epylar/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,victronenergy/meta-openembedded,RedFIR/meta-openembedded,rdm-dev/meta-openembedded,RedFIR/meta-openembedded,rofehr/meta-openembedded,shr-distribution/meta-oe,RedFIR/meta-openembedded,fredcadete/meta-openembedded,kraj/meta-openembedded,fredcadete/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,RedFIR/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,schnitzeltony/meta-openembedded,mrchapp/meta-openembedded,amery/meta-openembedded,kraj/meta-openembedded,lgirdk/meta-openembedded,shr-distribution/meta-oe,shr-distribution/meta-oe,RedFIR/meta-openembedded,mrchapp/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,rdm-dev/meta-openembedded,lixinfnst/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,lixinfnst/meta-openembedded,schnitzeltony/meta-openembedded,joelagnel/meta-openembedded,epylar/meta-openembedded,joelagnel/meta-openembedded,VCTLabs/meta-openembedded,rdm-dev/meta-openembedded,rofehr/meta-openembedded