davinci: omapl138_lcdk: add support for TI_COMMON_CMD_OPTIONS
OMAP-L138 LCDK board can benefit from using the commonly
used commands enabled by TI_COMMON_CMD_OPTIONS.
Source the relevant Kconfig file so TI_COMMON_CMD_OPTIONS
can be enabled for OMAP-L138 LCDK board in a future patch.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>