test: lmb: add a test case for checking overlapping region add

Memory managed by LMB is now persistent and global. With that, it
could be possible for multiple callers to try to add memory that has
already been added. Add a test case to check that the LMB module
handles it as expected.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
1 file changed