mainboard/google/reef: drop disabling periodic training for micron

In anticipation of getting fixed material remove the disabling of
periodic training for MT53B512M32D2NP and MT53B256M32D1NP.

BUG=chrome-os-partner:59003

Change-Id: Iaadaa979d85cab78dda527db7480420af02fd832
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17130
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

0 files changed, 0 insertions, 0 deletions