GitLab

 - PMC Pm49FL004
 - SST SST49LF020
 - SST SST49LF020A
 - SST SST49LF040B
 - SST SST49LF080A
 - Winbond W39V040B

I tested all operations on hardware using r997. Only on SST49LF040B
write/erase does not seem to work, will investigate later (probe/read
works, though).

Corresponding to flashrom svn r1012.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>