openocd: Add --disable-werror always
openocd: Add --disable-werror always

toolchain-gcc override is only valid when meta-clang is included in
layers, but this knob is actually needed for gcc to work, so having an
empty override would not add this option while the default compiler
remains gcc

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

schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,VCTLabs/meta-openembedded,VCTLabs/meta-openembedded,lgirdk/meta-openembedded,mrchapp/meta-openembedded,VCTLabs/meta-openembedded,moto-timo/meta-openembedded,schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,lgirdk/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,moto-timo/meta-openembedded,victronenergy/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,schnitzeltony/meta-openembedded,VCTLabs/meta-openembedded,victronenergy/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,VCTLabs/meta-openembedded,openembedded/meta-openembedded,lgirdk/meta-openembedded,moto-timo/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,rehsack/meta-openembedded