linux-firmware: intel: Update Skylake audio firmware

This updates Skylake audio dsp firmware, this version contains
update required for latest TP modules.

The version of this firmware release is 8.20.00.951.

The md5sum of this firmware binary is b9eb803923ea32f68599d20a5793d13a.
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

WHENCE

@@ -3006,8 +3006,8 @@ License: Redistributable. See LICENCE.fw_sst_0f28 for details
 Driver: snd-soc-skl
 
 File: intel/dsp_fw_release.bin
-Version: 8.20.00.948
-md5sum: 472607996014603dca939877bf085d48
+Version: 8.20.00.951
+md5sum: b9eb803923ea32f68599d20a5793d13a
 
 License: Redistributable. See LICENCE.adsp_sst for details
 

intel/dsp_fw_release.bin

-dsp_fw_release_v948.bin
\ No newline at end of file
+dsp_fw_release_v951.bin
\ No newline at end of file