p7zip: simplify recipe
p7zip: simplify recipe

The plugin-based 7z binary is mostly useless because it can't find the
libraries.  Simply just install 7za, and install a compatibility symlink for 7z.

Signed-off-by: Ross Burton <cd36ec7a67dfb8d589bc66b85fd0a6cf213f3854@intel.com>
Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

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