arm: keystone2: Rename CONFIG_ENV_KS2_BOARD_SETTINGS

Rename CONFIG_ENV_KS2_BOARD_SETTINGS to ENV_KS2_BOARD_SETTINGS so that
it better fits with the rest of the environment addition macros.

Cc: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
5 files changed