[ARM] ep93xx: convert to clkdev and match clocks by struct device where possible

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6fe71af..995a1bf 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -276,6 +276,7 @@
 	select ARM_VIC
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select COMMON_CLKDEV
 	select ARCH_REQUIRE_GPIOLIB
 	help
 	  This enables support for the Cirrus EP93xx series of CPUs.