arm64: dts: renesas: r8a77995: draak: drop "avb_phy_int" from avb_pins

Since the Ethernet AVB driver doesn't support AVB_PHY_INT handling
and it will be handled by a phy driver as a gpio pin, this patch
removes the "avb_phy_int" from the avb_pins node.
Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Fixes: 4503b50e ("arm64: dts: renesas: r8a77995: draak: enable EthernetAVB")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a77995-draak.dts

@@ -41,8 +41,7 @@ &extal_clk {
 &pfc {
 	avb0_pins: avb {
 		mux {
-			groups = "avb0_link", "avb0_phy_int", "avb0_mdc",
-				 "avb0_mii";
+			groups = "avb0_link", "avb0_mdc", "avb0_mii";
 			function = "avb0";
 		};
 	};