ARM: DRA72x: Add support for detection of SR2.0

Add support for detection of SR2.0 version of DRA72x family of
processors.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 8f184df..e3ac8bb 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -373,6 +373,9 @@
 	case DRA722_CONTROL_ID_CODE_ES1_0:
 		*omap_si_rev = DRA722_ES1_0;
 		break;
+	case DRA722_CONTROL_ID_CODE_ES2_0:
+		*omap_si_rev = DRA722_ES2_0;
+		break;
 	default:
 		*omap_si_rev = OMAP5430_SILICON_ID_INVALID;
 	}