ARM i.MX35: implement clocks using common clock framework

This patch also adds the SPDIF baud clock mux and dividers.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index eb14ae9..a8b3738 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -75,6 +75,7 @@
 	bool
 	select CPU_V6
 	select ARCH_MXC_IOMUX_V3
+	select COMMON_CLK
 	select HAVE_EPIT
 	select MXC_AVIC
 	select SMP_ON_UP if SMP