QCA: Add Bluetooth firmware for WCN785x

This commit will add required Bluetooth firmware files for QCA WCN785x.
The image version is 2.0.0-00515.

rampatch_usb_00190200.bin : RAM FW dump
nvm_usb_00190200.bin : NVM dump.

Signed-off-by: Rocky Liao <quic_rjliao@quicinc.com>

WHENCE

@@ -4447,6 +4447,8 @@ File: qca/nvm_usb_00130201_gf.bin
 File: qca/nvm_usb_00130201_gf_010a.bin
 File: qca/nvm_usb_00130201_gf_010b.bin
 File: qca/nvm_usb_00130201_gf_0303.bin
+File: qca/rampatch_usb_00190200.bin
+File: qca/nvm_usb_00190200.bin
 
 Licence: Redistributable. See LICENSE.QualcommAtheros_ath10k and qca/NOTICE.txt for details