[][Add TRNG DTS node]

[Description]
Add TRNG node in DTSI for MT7986 IAP and REBB.

[Release-log]
N/A

Change-Id: I0e686ceb57f7ca558bba94a7271ff7b59ec2e76d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4678036
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 6c79802..e957f5c 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -586,6 +586,14 @@
 	clkitg: clkitg {
 		compatible = "simple-bus";
 	};
+
+	trng: trng@1020f000 {
+		compatible = "mediatek,mt7986-rng",
+			     "mediatek,mt7623-rng";
+		reg = <0 0x1020f000 0 0x100>;
+		clocks = <&infracfg_ao CK_INFRA_TRNG_CK>;
+		clock-names = "rng";
+	};
 };
 
 #include "mt7986-clkitg.dtsi"