OMAP4/5: Make the silicon revision variable common.

The different silicon revision variable names was defined for OMAP4 and
OMAP5 socs. Making the variable common so that some code can be
made generic.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
diff --git a/arch/arm/cpu/armv7/omap4/hwinit.c b/arch/arm/cpu/armv7/omap4/hwinit.c
index 91f8320..afa5484 100644
--- a/arch/arm/cpu/armv7/omap4/hwinit.c
+++ b/arch/arm/cpu/armv7/omap4/hwinit.c
@@ -37,7 +37,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-u32 *const omap4_revision = (u32 *)OMAP4_SRAM_SCRATCH_OMAP4_REV;
+u32 *const omap_si_rev = (u32 *)OMAP4_SRAM_SCRATCH_OMAP4_REV;
 
 static const struct gpio_bank gpio_bank_44xx[6] = {
 	{ (void *)OMAP44XX_GPIO1_BASE, METHOD_GPIO_24XX },
@@ -129,40 +129,40 @@
 
 	switch (arm_rev) {
 	case MIDR_CORTEX_A9_R0P1:
-		*omap4_revision = OMAP4430_ES1_0;
+		*omap_si_rev = OMAP4430_ES1_0;
 		break;
 	case MIDR_CORTEX_A9_R1P2:
 		switch (readl(CONTROL_ID_CODE)) {
 		case OMAP4_CONTROL_ID_CODE_ES2_0:
-			*omap4_revision = OMAP4430_ES2_0;
+			*omap_si_rev = OMAP4430_ES2_0;
 			break;
 		case OMAP4_CONTROL_ID_CODE_ES2_1:
-			*omap4_revision = OMAP4430_ES2_1;
+			*omap_si_rev = OMAP4430_ES2_1;
 			break;
 		case OMAP4_CONTROL_ID_CODE_ES2_2:
-			*omap4_revision = OMAP4430_ES2_2;
+			*omap_si_rev = OMAP4430_ES2_2;
 			break;
 		default:
-			*omap4_revision = OMAP4430_ES2_0;
+			*omap_si_rev = OMAP4430_ES2_0;
 			break;
 		}
 		break;
 	case MIDR_CORTEX_A9_R1P3:
-		*omap4_revision = OMAP4430_ES2_3;
+		*omap_si_rev = OMAP4430_ES2_3;
 		break;
 	case MIDR_CORTEX_A9_R2P10:
 		switch (readl(CONTROL_ID_CODE)) {
 		case OMAP4460_CONTROL_ID_CODE_ES1_1:
-			*omap4_revision = OMAP4460_ES1_1;
+			*omap_si_rev = OMAP4460_ES1_1;
 			break;
 		case OMAP4460_CONTROL_ID_CODE_ES1_0:
 		default:
-			*omap4_revision = OMAP4460_ES1_0;
+			*omap_si_rev = OMAP4460_ES1_0;
 			break;
 		}
 		break;
 	default:
-		*omap4_revision = OMAP4430_SILICON_ID_INVALID;
+		*omap_si_rev = OMAP4430_SILICON_ID_INVALID;
 		break;
 	}
 }
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 68cf558..84b3830 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -38,7 +38,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-u32 *const omap5_revision = (u32 *)OMAP5_SRAM_SCRATCH_OMAP5_REV;
+u32 *const omap_si_rev = (u32 *)OMAP5_SRAM_SCRATCH_OMAP5_REV;
 
 static struct gpio_bank gpio_bank_54xx[6] = {
 	{ (void *)OMAP54XX_GPIO1_BASE, METHOD_GPIO_24XX },
@@ -154,9 +154,9 @@
 
 	switch (rev) {
 	case MIDR_CORTEX_A15_R0P0:
-		*omap5_revision = OMAP5430_ES1_0;
+		*omap_si_rev = OMAP5430_ES1_0;
 		break;
 	default:
-		*omap5_revision = OMAP5430_SILICON_ID_INVALID;
+		*omap_si_rev = OMAP5430_SILICON_ID_INVALID;
 	}
 }