Disabled correctable errors reporting for SYSMEM and CMEM by default.

EDAC_AXXIA_SYSMEM_SKIP_CORRECTABLE:
Support for deactivation of processing of SYSMEM correctable errors
(single and multiple ECC).

EDAC_AXXIA_CMEM_SKIP_CORRECTABLE
Support for deactivation of processing of CMEM correctable errors
(single and multiple ECC).

Signed-off-by: Daniel Dragomir <daniel.dragomir@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>