forked from OERV-BSP/u-boot
free_mem is a misnomer. We never update it with the free memory for LMB. Instead, it describes all available memory and is checked against used_mem to decide whether an area is free or not. So let's rename this field to better match its usage. Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org> Tested-by: Sam Protsenko <semen.protsenko@linaro.org> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>