cpupower: Inherit bash completion class
cpupower: Inherit bash completion class

Fixes
ERROR: QA Issue: cpupower: Files/directories were installed but not shipped in any package:
  /usr/share/bash-completion
  /usr/share/bash-completion/completions
  /usr/share/bash-completion/completions/cpupower

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

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