W83627x code unification

This patch unifies the code for different Winbond W83627-family chips,
to be applied before I add another W83627 GPIO raise function.

After the Ack I added the check for unimplemented GPIO ports, but still
dared to reuse the ack.

Corresponding to flashrom svn r1062.

Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Sean Nelson <audiohacked@gmail.com>
1 file changed