ARM: tegra30: peripherals: Add 266.5MHz nodes

LG Optimus Vu (p895) and Optimus 4X HD (p880) have 266.5MHz RAM
clock and require this entry to work with it correctly.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

Author: clamor-s

arch/arm/boot/dts/tegra30-peripherals-opp.dtsi

@@ -210,6 +210,20 @@
 			opp-suspend;
 		};
 
+		opp-266500000-1000 {
+			opp-microvolt = <1000000 1000000 1350000>;
+			opp-hz = /bits/ 64 <266500000>;
+			opp-supported-hw = <0x0007>;
+			required-opps = <&core_opp_1000>;
+		};
+
+		opp-266500000-1250 {
+			opp-microvolt = <1250000 1250000 1350000>;
+			opp-hz = /bits/ 64 <266500000>;
+			opp-supported-hw = <0x0008>;
+			required-opps = <&core_opp_1250>;
+		};
+
 		opp-333500000-1000 {
 			opp-microvolt = <1000000 1000000 1350000>;
 			opp-hz = /bits/ 64 <333500000>;
@@ -424,6 +438,12 @@
 			opp-suspend;
 		};
 
+		opp-266500000 {
+			opp-hz = /bits/ 64 <266500000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <2132000>;
+		};
+
 		opp-333500000 {
 			opp-hz = /bits/ 64 <333500000>;
 			opp-supported-hw = <0x000F>;