mediatek: dts: mt7988a: remove boottrap hack

The PHY driver now uses regmap created from pio syscon, we no longer
need the boottrap device.

Signed-off-by: Daniel Golle <[email protected]>

target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a.dtsi

@@ -303,11 +303,6 @@
 			};
 		};
 
-		boottrap: boottrap@1001f6f0 {
-			compatible = "mediatek,boottrap";
-			reg = <0 0x1001f6f0 0 0x4>;
-		};
-
 		sgmiisys0: syscon@10060000 {
 			compatible = "mediatek,mt7988-sgmiisys",
 				     "mediatek,mt7988-sgmiisys_0",

target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi

@@ -303,11 +303,6 @@
 			};
 		};
 
-		boottrap: boottrap@1001f6f0 {
-			compatible = "mediatek,boottrap";
-			reg = <0 0x1001f6f0 0 0x4>;
-		};
-
 		sgmiisys0: syscon@10060000 {
 			compatible = "mediatek,mt7988-sgmiisys",
 				     "mediatek,mt7988-sgmiisys_0",