ARM i.MX: define CLOCK_TICK_RATE to bogus value

We have a clocksource which renders CLOCK_TICK_RATE useless. Define
it to a bogus value to get rid of some ifdeffery.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

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

@@ -16,16 +16,7 @@
 #ifndef __ASM_ARCH_MXC_TIMEX_H__
 #define __ASM_ARCH_MXC_TIMEX_H__
 
-#if defined CONFIG_ARCH_MX1
-#define CLOCK_TICK_RATE		16000000
-#elif defined CONFIG_ARCH_MX2
-#define CLOCK_TICK_RATE		13300000
-#elif defined CONFIG_ARCH_MX3
-#define CLOCK_TICK_RATE		16625000
-#elif defined CONFIG_ARCH_MX25
-#define CLOCK_TICK_RATE		16000000
-#elif defined CONFIG_ARCH_MX5
-#define CLOCK_TICK_RATE		8000000
-#endif
+/* Bogus value */
+#define CLOCK_TICK_RATE	12345678
 
 #endif				/* __ASM_ARCH_MXC_TIMEX_H__ */