edac_core: Print debug messages at release calls

This is important to track a nasty bug at the free logic.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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

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

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