einj_mem_uc: add new test case for share memory

Share memory is read by two tasks to target address.

[Tony: Fix some indenting. Rename page_cache_alloc() to
map_file_alloc() now it is used for another test]
Signed-off-by: Bixuan Cui <cuibixuan@linux.alibaba.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
1 file changed