driver: Rename 'drivers' -> 'driver'

Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
power: Migrate 'power' src to kconfig build system

Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
includes: Migrate includes to kconfig build system

Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
common: Migrate common src to kconfig build system

Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>