EDAC: Add support for Cortex A53 / A57 CPUs

Add a driver for handling the L1/L2 cache error reporting
features found on the ARM Cortex A53 / A57 processors.

Change-Id: I03e11ada791265aa998aab7031a8e274a193d8f9
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>