ColdFire: Correct bit definition

Use correct definition for _MASK and _UNMASK. It was combined in
the previous used and causes confusion.

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
diff --git a/include/asm-m68k/m5235.h b/include/asm-m68k/m5235.h
index 22987ac..71a40d3 100644
--- a/include/asm-m68k/m5235.h
+++ b/include/asm-m68k/m5235.h
@@ -557,8 +557,8 @@
 #define CCM_RCON_MODE			(0x0001)
 
 /* Bit definitions and macros for CCM_CIR */
-#define CCM_CIR_PIN(x)			(((x)&0x03FF)<<6)
-#define CCM_CIR_PRN(x)			((x)&0x003F)
+#define CCM_CIR_PIN(x)			(((x) & 0xFFC0) >> 6)
+#define CCM_CIR_PRN(x)			((x) & 0x003F)
 
 /*********************************************************************
 * PLL Clock Module