Enforce MFD_SYSCON selection as the driver needs it. Else, it will still
compile with some warning about X1, x2 or sr being used uninitialized.
Reported-by: Nkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>