imx8mm_evk: Adjust the environment for booting a mainline kernel

Adjust the environment for booting a mainline kernel by default.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/imx8mm_evk.h b/include/configs/imx8mm_evk.h
index 991fe00..7da2b90 100644
--- a/include/configs/imx8mm_evk.h
+++ b/include/configs/imx8mm_evk.h
@@ -38,12 +38,12 @@
 /* Initial environment variables */
 #define CONFIG_EXTRA_ENV_SETTINGS		\
 	"script=boot.scr\0" \
-	"image=Image.itb\0" \
+	"image=Image\0" \
 	"console=ttymxc1,115200\0" \
 	"fdt_addr=0x43000000\0"			\
 	"fdt_high=0xffffffffffffffff\0"		\
-	"boot_fit=try\0" \
-	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"boot_fit=no\0" \
+	"fdt_file=imx8mm-evk.dtb\0" \
 	"initrd_addr=0x43800000\0"		\
 	"initrd_high=0xffffffffffffffff\0" \
 	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
@@ -113,7 +113,7 @@
 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
 
 #define CONFIG_ENV_OVERWRITE
-#define CONFIG_SYS_MMC_ENV_DEV		0   /* USDHC2 */
+#define CONFIG_SYS_MMC_ENV_DEV		1   /* USDHC2 */
 #define CONFIG_MMCROOT			"/dev/mmcblk1p2"  /* USDHC2 */
 
 /* Size of malloc() pool */