ARM: dra762: Add support for device identification

Add ID code detection for dra762 SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index e2274a1..16cb1c1 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -663,6 +663,15 @@
 	hawkeye = (idcode >> 12) & 0xffff;
 	rev = (idcode >> 28) & 0xff;
 	switch (hawkeye) {
+	case 0xbb50:
+		switch (rev) {
+		case 0:
+		default:
+			omap_revision = DRA762_REV_ES1_0;
+			break;
+		}
+		break;
+
 	case 0xb990:
 		switch (rev) {
 		case 0: