board: ea: mx7ulp_com: move setting CONFIG_BOOTCOMMAND to defconfig

Move setting CONFIG_BOOTCOMMAND to the mx7ulp_com_defconfig file.
It also allows replacing the default CONFIG_BOOTCOMMAND without
code modification.

Signed-off-by: Ricardo Salveti <ricardo@foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2 files changed