power: Rename CONFIG_PMIC_... to CONFIG_POWER_...

Commit be3b51aa did this mostly, but several have been added since. Do the
job again.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
8 files changed