clk: rp1: select REGMAP_MMIO

We use regmap mmio so should select it

Signed-off-by: Dom Cobley <popcornmix@gmail.com>

Author: popcornmix

drivers/clk/Kconfig

@@ -90,6 +90,7 @@ config COMMON_CLK_RK808
 config COMMON_CLK_RP1
 	tristate "Raspberry Pi RP1-based clock support"
 	depends on MISC_RP1 || MFD_RP1 || COMPILE_TEST
+	select REGMAP_MMIO
 	default MISC_RP1
 	help
 	  Enable common clock framework support for Raspberry Pi RP1.