kernel: overlays: Add Pi 5 version of dwc2

See: raspberrypi/linux#5661

kernel: Swap DT aliases from underscore to hyphen
See: raspberrypi/linux#5662

kernel: Add DT aliases to map to DRM card names
See: raspberrypi/linux#5629

kernel: Forcing /dev/fbN assignments for DRM cards
See: raspberrypi/linux#5660

kernel: dts: bcm2712: Use the new model name
See: https://forums.raspberrypi.com/viewtopic.php?p=2146474#p2146474

boot/overlays/README

@@ -173,6 +173,30 @@ Params:
         cooling_fan             Enables the Pi 5 cooling fan (enabled
                                 automatically by the firmware)
 
+        drm_fb0_rp1_dpi         Assign /dev/fb0 to the RP1 DPI output
+
+        drm_fb0_rp1_dsi0        Assign /dev/fb0 to the RP1 DSI0 output
+
+        drm_fb0_rp1_dsi1        Assign /dev/fb0 to the RP1 DSI1 output
+
+        drm_fb0_vc4             Assign /dev/fb0 to the vc4 outputs
+
+        drm_fb1_rp1_dpi         Assign /dev/fb1 to the RP1 DPI output
+
+        drm_fb1_rp1_dsi0        Assign /dev/fb1 to the RP1 DSI0 output
+
+        drm_fb1_rp1_dsi1        Assign /dev/fb1 to the RP1 DSI1 output
+
+        drm_fb1_vc4             Assign /dev/fb1 to the vc4 outputs
+
+        drm_fb2_rp1_dpi         Assign /dev/fb2 to the RP1 DPI output
+
+        drm_fb2_rp1_dsi0        Assign /dev/fb2 to the RP1 DSI0 output
+
+        drm_fb2_rp1_dsi1        Assign /dev/fb2 to the RP1 DSI1 output
+
+        drm_fb2_vc4             Assign /dev/fb2 to the vc4 outputs
+
         eee                     Enable Energy Efficient Ethernet support for
                                 compatible devices (default "on"). See also
                                 "tx_lpi_timer". Pi3B+ only.
@@ -1083,6 +1107,10 @@ 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. ]