OMAP2 PRCM: fix CM_IDLEST bits incorrectly marked as 2xxx-common

This patch fixes a few OMAP2xxx CM_IDLEST bits that were incorrectly
marked as being OMAP2xxx-wide, when they were actually 2420-specific.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/cm-regbits-24xx.h

@@ -117,8 +117,8 @@
 #define OMAP24XX_ST_FAC					(1 << 25)
 #define OMAP2420_ST_EAC					(1 << 24)
 #define OMAP24XX_ST_HDQ					(1 << 23)
-#define OMAP24XX_ST_I2C2				(1 << 20)
-#define OMAP24XX_ST_I2C1				(1 << 19)
+#define OMAP2420_ST_I2C2				(1 << 20)
+#define OMAP2420_ST_I2C1				(1 << 19)
 #define OMAP24XX_ST_MCBSP2				(1 << 16)
 #define OMAP24XX_ST_MCBSP1				(1 << 15)
 #define OMAP24XX_ST_DSS					(1 << 0)