preliminary programmable VRM version support in w83781d.

Replace VID_FROM_REG() with vid_from_reg() in new sensors_vid.h.
      Update library so it can be set in sensors.conf.
      Add new documentation. Update mkpatch for new file.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1352 7894878c-1315-0410-8ee3-d5d059ff63e0

mkpatch/FILES

@@ -37,4 +37,5 @@ kernel/chips/thmc50.c		drivers/sensors/thmc50.c
 kernel/chips/via686a.c		drivers/sensors/via686a.c
 kernel/chips/w83781d.c		drivers/sensors/w83781d.c
 kernel/include/sensors.h	include/linux/sensors.h
+kernel/include/sensors_vid.h	include/linux/sensors_vid.h
 mkpatch/Config.in		drivers/sensors/Config.in

mkpatch/INCLUDES

@@ -1,2 +1,3 @@
 "i2c-isa.h"		<linux/i2c-isa.h>
 "sensors.h"		<linux/sensors.h>
+"sensors_vid.h"		<linux/sensors_vid.h>