configs: phycore-imx8mp_defconfig: Use redundant environment

Add support for the redundant environment.

Signed-off-by: Leonard Anderweit <l.anderweit@phytec.de>
Tested-by: Teresa Remmet <t.remmet@phytec.de>
diff --git a/configs/phycore-imx8mp_defconfig b/configs/phycore-imx8mp_defconfig
index fd492eb..6c67f14 100644
--- a/configs/phycore-imx8mp_defconfig
+++ b/configs/phycore-imx8mp_defconfig
@@ -19,6 +19,7 @@
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL_STACK=0x960000
 CONFIG_SPL=y
+CONFIG_ENV_OFFSET_REDUND=0x3e0000
 CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
 CONFIG_SYS_LOAD_ADDR=0x40480000
 CONFIG_FIT=y
@@ -77,6 +78,7 @@
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_DEV=2
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y