power-domain: add dummy functions when CONFIG_POWER_DOMAIN not defined

Add dummy functions when CONFIG_POWER_DOMAIN not defined.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
1 file changed