opencv: Add packageconfig for building tests
opencv: Add packageconfig for building tests

This could be enabled when ptests are enabled but generally its fine to
disable them

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

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