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/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 7dc5bb7..5cf360c 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -438,6 +438,7 @@
 		}
 		break;
 	case DRA722_ES1_0:
+	case DRA722_ES2_0:
 		*regs = dra_ddr3_ext_phy_ctrl_const_base_666MHz;
 		*size = ARRAY_SIZE(dra_ddr3_ext_phy_ctrl_const_base_666MHz);
 		break;
@@ -670,6 +671,7 @@
 	case DRA752_ES1_1:
 	case DRA752_ES2_0:
 	case DRA722_ES1_0:
+	case DRA722_ES2_0:
 		bug_00339_regs_ptr = dra_bug_00339_regs;
 		*iterations = sizeof(dra_bug_00339_regs)/
 			     sizeof(dra_bug_00339_regs[0]);