ARM: berlin: select MFD_SYSCON by default

The chip and system controller nodes handle sub-devices, such as the
clock, pinctrl or reset controllers. The drivers handling them need a
regmap provided by syscon. Select it by default when using a Berlin SoC.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>

arch/arm/mach-berlin/Kconfig

@@ -6,6 +6,7 @@ menuconfig ARCH_BERLIN
 	select DW_APB_ICTL
 	select DW_APB_TIMER_OF
 	select GENERIC_IRQ_CHIP
+	select MFD_SYSCON
 	select PINCTRL
 
 if ARCH_BERLIN