EDAC/synopsys: Add support for version 3 of the Synopsys EDAC DDR

Add support for version 3.80a of the Synopsys DDR controller. This
version of the controller has the following differences:

- UE/CE are auto cleared
- Interrupts are supported by default

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lkml.kernel.org/r/20211012190709.1504152-2-dinguyen@kernel.org