ARM: dts: omap5-uevm: add smps123 supply for CPU

regulator smps123 supply from Palmas PMIC powers CPU0 on OMAP5uEVM.

Based on a patch by J Keerthy <j-keerthy@ti.com>

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 8d80305..22d9b51 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -501,3 +501,7 @@
         pinctrl-names = "default";
         pinctrl-0 = <&uart5_pins>;
 };
+
+&cpu0 {
+	cpu0-supply = <&smps123_reg>;
+};