[][Refactor mt7986 config-5.4 to sync with Kconfig]

[Description]
Refactor mt7986 config-5.4 to sync with Kconfig

[Release-log]
N/A

Change-Id: Ib935714f4ceab0cd6e6474fe47c9f9eab6b558b1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5191728
diff --git a/target/linux/mediatek/mt7986/config-5.4 b/target/linux/mediatek/mt7986/config-5.4
index 56c1b0a..28c0ae9 100644
--- a/target/linux/mediatek/mt7986/config-5.4
+++ b/target/linux/mediatek/mt7986/config-5.4
@@ -97,6 +97,7 @@
 # CONFIG_COMMON_CLK_MT7622_AUDSYS is not set
 # CONFIG_COMMON_CLK_MT7622_ETHSYS is not set
 # CONFIG_COMMON_CLK_MT7622_HIFSYS is not set
+# CONFIG_COMMON_CLK_MT7981 is not set
 CONFIG_COMMON_CLK_MT7986=y
 # CONFIG_COMMON_CLK_MT8173 is not set
 CONFIG_COMMON_CLK_MT8183=y