[ARM] MX35: add clock support

This patch adds clock support for i.MX35 SoCs. We do not support setting
of clock rates yet, but most interesting clock rates should be reported.
I couldn't test all clock rates and the datasheet contains some obvious
bugs, so expect some bugs in this code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx3/Makefile

@@ -6,6 +6,7 @@
 
 obj-y				:= mm.o devices.o
 obj-$(CONFIG_ARCH_MX31)		+= clock.o iomux.o
+obj-$(CONFIG_ARCH_MX35)		+= clock-imx35.o
 obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o
 obj-$(CONFIG_MACH_MX31LITE)	+= mx31lite.o
 obj-$(CONFIG_MACH_PCM037)	+= pcm037.o

arch/arm/plat-mxc/include/mach/common.h

@@ -21,6 +21,7 @@ extern int mx1_clocks_init(unsigned long fref);
 extern int mx21_clocks_init(unsigned long lref, unsigned long fref);
 extern int mx27_clocks_init(unsigned long fref);
 extern int mx31_clocks_init(unsigned long fref);
+extern int mx35_clocks_init(void);
 extern int mxc_register_gpios(void);
 extern int mxc_register_device(struct platform_device *pdev, void *data);
 extern void mxc_set_cpu_type(unsigned int type);