Clevo-B7130: add BatteryFix, GNVS information

Added untracked files (mtime):

 * BatteryFix.dsl (18 May 2012): show charging information while not
   charging.
 * Clevo_B7130-EC_RAM.txt: 26 June 2012
 * Clevo_B7130-GNVS.txt: 2 August 2013
 * SystemMemory_GNVS.txt: 25 Oct 2011
Clevo-B7130: add more guessed EC fields