Revert "overlays: Add Pi 5 version of dwc2"

This reverts commit ff2db58.

We don't need a special dwc2 overlay for Pi 5, with a node to limit the
DMA zone to the first 1GB, since it turns out that the USB2 controller
has a 4GB range after all.

See #5772

Signed-off-by: Phil Elwell <[email protected]>

Author: pelwell

arch/arm/boot/dts/overlays/Makefile

@@ -60,7 +60,6 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	draws.dtbo \
 	dwc-otg.dtbo \
 	dwc2.dtbo \
-	dwc2-pi5.dtbo \
 	edt-ft5406.dtbo \
 	enc28j60.dtbo \
 	enc28j60-spi2.dtbo \

arch/arm/boot/dts/overlays/README

@@ -1168,10 +1168,6 @@ Params: dr_mode                 Dual role mode: "host", "peripheral" or "otg"
                                 mode
 
 
-Name:   dwc2-pi5
-Info:   See dwc2 (this is the Pi 5 version)
-
-
 [ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
 
 

arch/arm/boot/dts/overlays/dwc2-pi5-overlay.dts

@@ -48,16 +48,6 @@
 		bcm2712;
 	};
 
-	dwc2 {
-		bcm2835;
-		bcm2711;
-		bcm2712 = "dwc2-pi5";
-	};
-
-	dwc2-pi5 {
-		bcm2712;
-	};
-
 	highperi {
 		bcm2711;
 	};