On the newer SoCs the bits to configure the operational mode are
located in a different register. Add a regmap field so that this
location can be configured.
Signed-off-by: NMarcus Cooper <codekipper@gmail.com>
Reviewed-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMark Brown <broonie@kernel.org>