EDAC: Add James Morse as a reviewer

With the growing amount of ARM[,64] EDAC enablement happening, add James
as a reviewer for the ARM bits.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: James Morse <james.morse@arm.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/20190121123941.28247-1-bp@alien8.de

MAINTAINERS

@@ -5426,6 +5426,7 @@ F:	drivers/edac/thunderx_edac*
 EDAC-CORE
 M:	Borislav Petkov <bp@alien8.de>
 M:	Mauro Carvalho Chehab <mchehab@kernel.org>
+R:	James Morse <james.morse@arm.com>
 L:	linux-edac@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next