EDAC, altera: Make OCRAM ECC dependency check generic

EDAC, altera: Make OCRAM ECC dependency check generic

In preparation for the Arria10 peripheral ECCs, move the OCRAM ECC
dependency check into the general ECC area since this same function can
be used by other memories.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: devicetree@vger.kernel.org
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux@arm.linux.org.uk
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1459450087-24792-4-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>