[][Fix mt7981 snand clk to 52MHz]

[Description]
Fix snand clk to 52MHz

[Release-Log]
N/A

Change-Id: I45291cdeb26bfee1686c8c53dfb9f65c3ec49e70
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5251435
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981.dtsi
index d928a11..850b20c 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981.dtsi
@@ -373,10 +373,14 @@
 		reg = <0 0x11005000 0 0x1000>, <0 0x11006000 0 0x1000>;
 		reg-names = "nfi", "ecc";
 		interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&system_clk>,
-			 <&system_clk>,
-			 <&system_clk>;
-		clock-names = "nfi_clk", "pad_clk", "ecc_clk";
+		clocks = <&infracfg_ao CK_INFRA_SPINFI1_CK>,
+			 <&infracfg_ao CK_INFRA_NFI1_CK>,
+			 <&infracfg_ao CK_INFRA_NFI_HCK_CK>;
+		clock-names = "pad_clk", "nfi_clk", "nfi_hclk";
+		assigned-clocks = <&topckgen CK_TOP_SPINFI_SEL>,
+				  <&topckgen CK_TOP_NFI1X_SEL>;
+		assigned-clock-parents = <&topckgen CK_TOP_CB_M_D8>,
+					 <&topckgen CK_TOP_CB_M_D8>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";