[][Fix MT7981 USB 2.0 CK_TOP_USB_FRMCNT_SEL been closed]

[Description]
Fix USB 2.0 CK_TOP_USB_FRMCNT_SEL has been closed.
so use CK_TOP_USB_FRMCNT_SEL instead of CK_TOP_AP2CNN_HOST_SEL
and there is CK_TOP_AP2CNN_HOST_SEL in mt7981-clkitg.dtsi

[Release-log]
N/A

Change-Id: I4c8cf04d7b575e6699466fdf863e4c228da5cb72
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5316620
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 7d37ea5..dd70a56 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
@@ -186,7 +186,7 @@
 			<&topckgen CK_TOP_U2U3_SEL>,
 			<&topckgen CK_TOP_U2U3_SYS_SEL>,
 			<&topckgen CK_TOP_U2U3_XHCI_SEL>,
-			<&topckgen CK_TOP_AP2CNN_HOST_SEL>;
+			<&topckgen CK_TOP_USB_FRMCNT_SEL>;
 
 
 		clock-names = "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11",