MAINTAINERS: Add entry for EDAC-I10NM

Updating the MAINTAINERS file when adding this new driver was forgotten.
Fix it.

Fixes: d4dc89d0 ("EDAC, i10nm: Add a driver for Intel 10nm server processors")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/20190325235627.GA11938@agluck-desk