linux-firmware: intel: Update Kabylake audio firmware

This updates Kabylake audio dsp firmware to latest version.

The version of this firmware release is 9.21.00.2042_46

The md5sum of this firmware binary is 411e2b3b528f0eec194304feb7dee4ae
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

WHENCE

@@ -3150,7 +3150,9 @@ File: intel/dsp_fw_kbl_v701.bin
 Version: 9.21.00.701
 File: intel/dsp_fw_kbl_v1037.bin
 Version: 09.21.00.1037
-Link: intel/dsp_fw_kbl.bin -> dsp_fw_kbl_v1037.bin
+File: intel/dsp_fw_kbl_v2042.bin
+Version: 9.21.00.2042_46
+Link: intel/dsp_fw_kbl.bin -> dsp_fw_kbl_v2042.bin
 
 License: Redistributable. See LICENCE.adsp_sst for details
 

intel/dsp_fw_kbl.bin

-dsp_fw_kbl_v1037.bin
+dsp_fw_kbl_v2042.bin
\ No newline at end of file