qca: add bluetooth firmware for WCN3988

The WCN3988 Bluetooth/WiFi chip requires its own version of the
firmware. Use the firmware files released for the Qualcomm Robotics RB3
platform to support this bluetooth chip.

apbtfw10 has version BTFM.CHE.2.0.0-00082-QCACHROMZ-1
apbtfw11 has version BTFM.CHE.2.1.3-00357-QCACHROMZ-1

Cc: Luca Weiss <luca.weiss@fairphone.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

WHENCE

@@ -4377,6 +4377,17 @@ Licence: Redistributable. See LICENSE.QualcommAtheros_ath10k and qca/NOTICE.txt
 
 --------------------------------------------------------------------------
 
+Driver: qca - Qualcomm Atheros Bluetooth support for WCN3988 chips
+
+File: qca/apbtfw10.tlv
+File: qca/apbtfw11.tlv
+File: qca/apnv10.bin
+File: qca/apnv11.bin
+
+Licence: Redistributable. See LICENSE.qcom and qca/NOTICE.txt for details
+
+--------------------------------------------------------------------------
+
 Driver: qca - Qualcomm Atheros Bluetooth support for WCN399x chips
 
 File: qca/crbtfw21.tlv