DRA7: Add support for ES1.1 silicon ID code

ES1.1 silicon is a very minor variant of ES1.0. Add priliminary support
for ES1.1 IDCODE change.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index 5386ae0..737d23c 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -333,6 +333,9 @@
 	case DRA752_CONTROL_ID_CODE_ES1_0:
 		*omap_si_rev = DRA752_ES1_0;
 		break;
+	case DRA752_CONTROL_ID_CODE_ES1_1:
+		*omap_si_rev = DRA752_ES1_1;
+		break;
 	default:
 		*omap_si_rev = OMAP5430_SILICON_ID_INVALID;
 	}