The board_lmb_reserve() function is not being used, and currently there is only an empty weak function defined. Remove this unused function. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>