rockchip: ringneck-px30: enable "env erase" command

Erasing the environment to start from scratch is actually very useful
and "env erase" is the proper way to do it instead of using "env
default -a && env save", so let's enable support for it.

Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/configs/ringneck-px30_defconfig b/configs/ringneck-px30_defconfig
index ba15e38..2240ba8 100644 (file)
--- a/configs/ringneck-px30_defconfig
+++ b/configs/ringneck-px30_defconfig
@@ -40,6 +40,7 @@ CONFIG_SPL_ATF=y
 # CONFIG_CMD_VBE is not set
 # CONFIG_BOOTM_VXWORKS is not set
 # CONFIG_CMD_ELF is not set
+CONFIG_CMD_ERASEENV=y
 # CONFIG_CMD_LZMADEC is not set
 # CONFIG_CMD_UNZIP is not set
 CONFIG_CMD_BIND=y