rockchip: Convert rv1126 to standard boot

RV1126 soc appears to have been missed with the conversion of
rockchip socs to standard boot.

Remove remnants of distro boot for rv1126 common and the one
existing board.

Signed-off-by: Tim Lunn <tim@feathertop.org>
Link: https://lore.kernel.org/all/20230407223645.v8.8.I4cf7708a1ba953b9abd81375d93af34665c7b251@changeid/
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/include/configs/rv1126_common.h b/include/configs/rv1126_common.h
index a64c0c6..168cd8b 100644
--- a/include/configs/rv1126_common.h
+++ b/include/configs/rv1126_common.h
@@ -28,7 +28,6 @@
 	"kernel_addr_r=0x02008000\0" \
 	"ramdisk_addr_r=0x0a200000\0"
 
-#include <config_distro_bootcmd.h>
 #define CFG_EXTRA_ENV_SETTINGS \
 	"fdt_high=0x0fffffff\0" \
 	"initrd_high=0x0fffffff\0" \
@@ -36,6 +35,6 @@
 	"partitions=" PARTS_DEFAULT \
 	ENV_MEM_LAYOUT_SETTINGS	 \
 	ROCKCHIP_DEVICE_SETTINGS \
-	BOOTENV
+	"boot_targets=" BOOT_TARGETS "\0"
 
 #endif /* __CONFIG_RV1126_COMMON_H */