edac: Fix spelling errors.

Signed-off-by: David Mackey <tdmackey@twitter.com>
Signed-off-by: Vinson Lee <vlee@twitter.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --cc drivers/edac/edac_core.h
Simple merge

diff --cc drivers/edac/edac_device.c
Simple merge

diff --cc drivers/edac/i7core_edac.c
Simple merge

diff --cc drivers/edac/sb_edac.c
Simple merge