GitLab

The previous code was pretty unreadable, undocumented and did some totally
unrelated things (such as mucking with the game port or port 0x92).

This version is tested with a 256 KB chip and should work for the
CS5530 and CS5530A.

Corresponding to flashrom svn r120 and coreboot v2 svn r2715.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>