[][MT7981 enable debug clk]

[Description]
Add debug clk for mt7981.

[Release-log]
N/A

Change-Id: I91c4b8d2d78a0dffa24b0e63cdcd873986b5e7f6
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5334223
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-clkitg.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-clkitg.dtsi
index 0fd31fd..354c320 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-clkitg.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-clkitg.dtsi
@@ -80,7 +80,7 @@
 			<&clk40m>,
 			<&clk40m>,
 			<&infracfg_ao CK_INFRA_DRAMC_26M_CK>,
-			<&infracfg_ao CK_INFRA_DBG_CK>,
+			<&clk40m>,
 			<&infracfg_ao CK_INFRA_AP_DMA_CK>,
 			<&infracfg_ao CK_INFRA_SEJ_CK>,
 			<&infracfg_ao CK_INFRA_SEJ_13M_CK>,