ARM: dts: OMAP5: Add bandgap DT entry

Add bandgap device DT entry for OMAP5 dtsi.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: NEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: NJ Keerthy <j-keerthy@ti.com>
[benoit.cousson@linaro.org: Fix alignement and use the macros
for IRQ attributes]
Signed-off-by: NBenoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/omap5.dtsi

@@ -696,5 +696,14 @@
 				interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};
+
+		bandgap@4a0021e0 {
+			reg = <0x4a0021e0 0xc
+			       0x4a00232c 0xc
+			       0x4a002380 0x2c
+			       0x4a0023C0 0x3c>;
+			interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+			compatible = "ti,omap5430-bandgap";
+		};
 	};
 };