Add firmware for Intel Wireless WiFi Link 6250AGN Adapter

Version is 9.201.4.1
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

WHENCE

@@ -665,6 +665,9 @@ Info: v128.50.3.1
 File: iwlwifi-6000-4.ucode
 Info: v9.193.4.1
 
+File: iwlwifi-6050-4.ucode
+Info: v9.201.4.1
+
 Licence: Redistributable. See LICENCE.iwlwifi_firmware for details
 
 Also available from http://intellinuxwireless.org/?n=Downloads