mainboard/google/reef: clarify memory part number details

Explain the reasoning for the part_num strings used in the
memory SKU table explaining the necessity of keeping mosys
in sync with the strings used. It's possible that actual part
numbers could change as the higher speed material gets cheaper,
for example.

BUG=chrome-os-partner:58966

Change-Id: If895e52791dc56e283261b3438106116b8b2ea05
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17129
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>

0 files changed, 0 insertions, 0 deletions