drivers: edac: Add Cache Error Reporting driver

This is a snapshot of cache error reporting driver for Kryo processors
as of msm-4.14 commit <709e9085>. (Merge "Revert "staging,
android: remove lowmemory killer from the tree"").

Change-Id: I599ba130e6780cd4d58c00cd075fe57d1163d026
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>