linux-firmware: New major GuC release for Skylake.

Following additions from ver1:

1. Performance Improvement.
2. Fix reset issue.
3. Scheduler fix.
4. Merge in new power management features.
5. Firmware layout changes.
6. Force Fence WA to guarantee correct ordering of GTT writes from uKernel.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

WHENCE

@@ -2848,10 +2848,14 @@ File: i915/bxt_dmc_ver1.bin
 Version: DMC API/ABI ver 1 - release 05 for Broxton
 
 File: i915/skl_guc_ver1_1059.bin
+File: i915/skl_guc_ver4_3.bin
 
 File: i915/skl_guc_ver1.bin
 Version: Guc API/ABI ver 1 - release 1059 for Skylake
 
+File: i915/skl_guc_ver4.bin
+Version: Guc API/ABI ver 4 - release 3 for Skylake
+
 License: Redistributable. See LICENSE.i915 for details
 
 --------------------------------------------------------------------------

i915/skl_guc_ver4.bin

@@ -0,0 +1 @@
+skl_guc_ver4_3.bin