lmb: use a single function to free up memory

There is no need to have two separate API's for freeing up memory. Use
a single API lmb_free() to achieve this.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
6 files changed