Enable ENV_OVERWRITE to allow environment variables to be
overwritten within the board code. This is required to add
MAC addresses during SOM detection.

Additionally, set ENV_IS_NOWHERE for boot sources other than MMC.

Signed-off-by: Daniel Schultz <d.schu...@phytec.de>
---
 configs/phycore_am64x_a53_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configs/phycore_am64x_a53_defconfig 
b/configs/phycore_am64x_a53_defconfig
index 4a91b72e700..3027a94b0d1 100644
--- a/configs/phycore_am64x_a53_defconfig
+++ b/configs/phycore_am64x_a53_defconfig
@@ -89,6 +89,8 @@ CONFIG_OF_OVERLAY_LIST="ti/k3-am6xx-phycore-disable-spi-nor 
ti/k3-am6xx-phycore-
 CONFIG_MULTI_DTB_FIT=y
 CONFIG_SPL_MULTI_DTB_FIT=y
 CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_NOWHERE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_MMC_ENV_DEV=1
-- 
2.25.1

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