[][Fix pinctrl driving group and update dts]

[Description]
Fix pinctrl fail driving group, and add driving/bias setting
in dts for example

[Release-log]
N/A

Change-Id: Ia59d7fd7ff393da9b9edd0378cd4c99646c0c4a8
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4828769
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 7ac9806..56c2a53 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
@@ -18,6 +18,7 @@
 #include <dt-bindings/reset/ti-syscon.h>
 #include <dt-bindings/clock/mt7986-clk.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/pinctrl/mt65xx.h>
 
 / {
 	compatible = "mediatek,mt7986a-rfb";
@@ -559,7 +560,6 @@
 					 <&topckgen CK_TOP_CB_MM_D8>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-		drive-strength = <1>;
 		status = "disabled";
 	};
 
@@ -587,7 +587,6 @@
 			 <&infracfg_ao CK_INFRA_SPI0_CK>,
 			 <&infracfg_ao CK_INFRA_SPI0_HCK_CK>;
 		clock-names = "parent-clk", "sel-clk", "spi-clk", "spi-hclk";
-		drive-strength = <3>;
 		status = "disabled";
 	};
 
@@ -616,7 +615,6 @@
 				  <&topckgen CK_TOP_EMMC_250M_SEL>;
 		assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>,
 					 <&topckgen CK_TOP_CB_CKSQ_40M>;
-		drive-strength = <1>;
 		status = "disabled";
 	};