The regmap_config struct may be const because it is not modified by the
driver and regmap_init() accepts pointer to const.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>