libqb: use branch main
libqb: use branch main

Branch master has been removed from libqb upstream git repo. Use branch
main instead.

Signed-off-by: Kai Kang <12cd79c4a5e843cb1f0f6ae2d45a5336990c82a6@windriver.com>
Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

rehsack/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded