- enable RPi Zero 2 W

- fix MMC numbering issue
 - Update link to documentation
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Merge tag 'rpi-next-2022.01' of https://source.denx.de/u-boot/custodians/u-boot-raspberrypi

- enable RPi Zero 2 W
- fix MMC numbering issue
- Update link to documentation

board/raspberrypi/rpi/rpi.c

@@ -72,7 +72,7 @@ struct msg_get_clock_rate {
 #endif
 
 /*
- * https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
+ * https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#raspberry-pi-revision-codes
  */
 struct rpi_model {
 	const char *name;
@@ -157,6 +157,11 @@ static const struct rpi_model rpi_models_new_scheme[] = {
 		DTB_DIR "bcm2711-rpi-4-b.dtb",
 		true,
 	},
+	[0x12] = {
+		"Zero 2 W",
+		DTB_DIR "bcm2837-rpi-zero-2.dtb",
+		false,
+	},
 	[0x13] = {
 		"400",
 		DTB_DIR "bcm2711-rpi-400.dtb",

include/configs/rpi.h

@@ -137,7 +137,8 @@
 #if CONFIG_IS_ENABLED(CMD_MMC)
 	#define BOOT_TARGET_MMC(func) \
 		func(MMC, mmc, 0) \
-		func(MMC, mmc, 1)
+		func(MMC, mmc, 1) \
+		func(MMC, mmc, 2)
 #else
 	#define BOOT_TARGET_MMC(func)
 #endif