ARM: dts: sync Amlogic GX DT to Linux v6.4

Sync Amlogic GXBB, GXL & GXM DTs from Linux v6.4, and also
switch to GXL MDIO MUX driver to adapt to DT change,

Most of the changes are only cosmetic or doesn't concern U-Boot,
the most important change for U-Boot is the GXL mdio mux compatible
switch to amlogic,gxl-mdio-mux.

Link: https://lore.kernel.org/r/20231213-u-boot-gxl-mdio-mux-v2-2-c56bb02a75ea@linaro.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
diff --git a/arch/arm/dts/meson-gxbb.dtsi b/arch/arm/dts/meson-gxbb.dtsi
index 7c029f5..12ef6e8 100644
--- a/arch/arm/dts/meson-gxbb.dtsi
+++ b/arch/arm/dts/meson-gxbb.dtsi
@@ -300,8 +300,8 @@
 };
 
 &gpio_intc {
-	compatible = "amlogic,meson-gpio-intc",
-		     "amlogic,meson-gxbb-gpio-intc";
+	compatible = "amlogic,meson-gxbb-gpio-intc",
+		     "amlogic,meson-gpio-intc";
 	status = "okay";
 };
 
@@ -427,6 +427,20 @@
 			};
 		};
 
+		spi_idle_high_pins: spi-idle-high-pins {
+			mux {
+				groups = "spi_sclk";
+				bias-pull-up;
+			};
+		};
+
+		spi_idle_low_pins: spi-idle-low-pins {
+			mux {
+				groups = "spi_sclk";
+				bias-pull-down;
+			};
+		};
+
 		spi_ss0_pins: spi-ss0 {
 			mux {
 				groups = "spi_ss0";