x-load.inc: drop 'PRIORITY = "optional"' as it is the default
x-load.inc: drop 'PRIORITY = "optional"' as it is the default

Signed-off-by: Otavio Salvador <1d31b11c1b92bf5d043d36edfe7174db39a6b891@ossystems.com.br>

jumpnow/meta-ti,floft/meta-ti,mrchapp/meta-ti-amsdk,Angstrom-distribution/meta-ti,treideme/meta-ti-rt,mrchapp/meta-ti-amsdk,tylerwhall/meta-ti,Angstrom-distribution/meta-ti,tylerwhall/meta-ti,rcn-ee/meta-ti,jumpnow/meta-ti,rcn-ee/meta-ti,RedFIR/meta-ti,RedFIR/meta-ti,rvfh/meta-ti,joelagnel/meta-ti,treideme/meta-ti-rt,tylerwhall/meta-ti,rvfh/meta-ti,tylerwhall/meta-ti,joelagnel/meta-ti,RedFIR/meta-ti,floft/meta-ti,RedFIR/meta-ti,rcn-ee/meta-ti,joelagnel/meta-ti,rvfh/meta-ti,smoosvi/Test4,joelagnel/meta-ti,smoosvi/Test4,rcn-ee/meta-ti