powerpc: dts: p1010: add i2c node

Add i2c node of p1010

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/p1010rdb.dtsi b/arch/powerpc/dts/p1010rdb.dtsi
new file mode 100644
index 0000000..4f58ee2
--- /dev/null
+++ b/arch/powerpc/dts/p1010rdb.dtsi
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * P1010RDB Device Tree Source
+ *
+ * Copyright 2020 NXP
+ */
+&soc {
+	i2c@3000 {
+		rtc@68 {
+			compatible = "pericom,pt7c4338";
+			reg = <0x68>;
+		};
+	};
+};