[PATCH] hwmon: W83627THF VID fixes

This patch fixes the VID reading; no cpu0_vid and vrm files created if
the chip is w83627thf and GPIO5 not enabled.

Signed-off-by: Yuan Mu <ymu@winbond.com.tw>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>