iwlwifi: add new HW_REV_TYPEs for Intel WiFi Link 100, 6000 and 6050 Series

simply add definitions for the HW_REV_TYPEs for the new devices.

Signed-off-by: Jay Sternberg <jay.e.sternberg@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>