flashchips: Add missing N25Q/MT25Q variants

This adds missing voltage and capacity variants for N25Q and MT25Q
series devices. This also fixes a typo in some model numbers where the
last letter should have been a G instead of an E. Added devices include:

N25Q256..1E
N25Q512..1G
N25Q00A..1G
N25Q00A..3G
MT25QU128
MT25QL128
MT25QU256
MT25QU512 tested by Jacob Creedon <jcreedon@google.com>
MT25QL01G tested by Konstantin Grudnev <grudnevkv@gmail.com>
MT25QU01G
MT25QL02G
MT25QU02G

Two have been tested as indicated, all other variants added are marked
untested.

Signed-off-by: Jacob Creedon <jcreedon@google.com>
Change-Id: I85630e4f6c0aa3b261f9871b7d363dad278b997e
Reviewed-on: https://review.coreboot.org/c/flashrom/+/34491


Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>