ARM: dts: OMAP3+: Add PRM interrupt

Provide OMAP3, 4 and OMAP5 with interrupt number for PRM

And for DRA7, provide crossbar number for prm interrupt.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index d678152..e09b1af 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -89,6 +89,7 @@
 		prm: prm@4ae06000 {
 			compatible = "ti,dra7-prm";
 			reg = <0x4ae06000 0x3000>;
+			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
 
 			prm_clocks: clocks {
 				#address-cells = <1>;