This commit updates the configuration files needed to support OF_CONTROL
on the OMAP3 EVM baseboard.
Additionally:
- CONFIG_SYS_THUMB_BUILD is enabled
- CONFIG_SPL_ENV_SUPPORT is enabled
Tested using GCC 7.2.0 [--with-float=hard --with-mode=thumb].
Signed-off-by: Derald D. Woods <woods.technical@gmail.com>