ARM: dts: dra76x: add support for OPP_PLUS

Add support for the OPP_PLUS (1.8GHz) for MPU.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

arch/arm/boot/dts/dra76x.dtsi

@@ -88,3 +88,32 @@
 		reg = <0x3fc>;
 	};
 };
+
+&cpu0_opp_table {
+	opp_plus@1800000000 {
+		opp-hz = /bits/ 64 <1800000000>;
+		opp-microvolt = <1250000 950000 1250000>,
+				<1250000 950000 1250000>;
+		opp-supported-hw = <0xFF 0x08>;
+	};
+};
+
+&opp_supply_mpu {
+	ti,efuse-settings = <
+	/* uV   offset */
+	1060000 0x0
+	1160000 0x4
+	1210000 0x8
+	1250000 0xC
+	>;
+};
+
+&abb_mpu {
+	ti,abb_info = <
+	/*uV		ABB	efuse	rbb_m fbb_m	vset_m*/
+	1060000		0	0x0	0 0x02000000 0x01F00000
+	1160000		0	0x4	0 0x02000000 0x01F00000
+	1210000		0	0x8	0 0x02000000 0x01F00000
+	1250000		0	0xC	0 0x02000000 0x01F00000
+	>;
+};