lmb: Correctly unmap memory after notifications

We never unmap the memory used to update the EFI memory map after
notifications

Fixes: commit 2f6191526a13 ("lmb: notify of any changes to the LMB memory map")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
1 file changed