With convertsion to simple-mfd sub-nodes, drop the regmap registration
by SoC stubs.
Signed-off-by: NAntoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>