ARM: dts: dra7-evm: add smps123 supply for CPU

regulator smps123 supply from Palmas PMIC powers CPU0 on DRA7 EVM.

[nm@ti.com: rebase to latest]
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index 3abf5f4..5babba0 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -269,3 +269,7 @@
 	vmmc-supply = <&mmc2_3v3>;
 	bus-width = <8>;
 };
+
+&cpu0 {
+	cpu0-supply = <&smps123_reg>;
+};