arm: apple: Switch to standard boot

Use standard boot instead of the distro boot scripts. Use
BOOTSTD_FULL instead of BOOTSTD_DEFAULTS for easier interactive use.

Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Neal Gompa <neal@gompa.dev>

arch/arm/Kconfig

@@ -1034,7 +1034,7 @@ config ARCH_APPLE
 	select USB
 	imply CMD_DM
 	imply CMD_GPT
-	imply DISTRO_DEFAULTS
+	imply BOOTSTD_FULL
 	imply OF_HAS_PRIOR_STAGE
 
 config ARCH_OWL

include/configs/apple.h

@@ -9,26 +9,10 @@
 	"stdout=vidconsole,serial\0" \
 	"stderr=vidconsole,serial\0"
 
-#if IS_ENABLED(CONFIG_CMD_NVME)
-	#define BOOT_TARGET_NVME(func) func(NVME, nvme, 0)
-#else
-	#define BOOT_TARGET_NVME(func)
-#endif
-
-#if IS_ENABLED(CONFIG_CMD_USB)
-	#define BOOT_TARGET_USB(func) func(USB, usb, 0)
-#else
-	#define BOOT_TARGET_USB(func)
-#endif
-
-#define BOOT_TARGET_DEVICES(func) \
-	BOOT_TARGET_NVME(func) \
-	BOOT_TARGET_USB(func)
-
-#include <config_distro_bootcmd.h>
+#define BOOT_TARGETS	"nvme usb"
 
 #define CFG_EXTRA_ENV_SETTINGS \
 	ENV_DEVICE_SETTINGS \
-	BOOTENV
+	"boot_targets=" BOOT_TARGETS "\0"
 
 #endif