ath10k: QCA9984 hw1.0: update firmware-5.bin to 10.4-3.9.0.2-00021

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

WHENCE

@@ -3005,7 +3005,7 @@ Version: 10.4-3.9.0.2-00024
 Licence: ath10k/QCA9888/hw2.0/notice_ath10k_firmware-5.txt
 File: ath10k/QCA9984/hw1.0/board-2.bin
 File: ath10k/QCA9984/hw1.0/firmware-5.bin
-Version: 10.4-3.6.0.1-00003
+Version: 10.4-3.9.0.2-00021
 Licence: ath10k/QCA9984/hw1.0/notice_ath10k_firmware-5.txt
 File: ath10k/QCA9377/hw1.0/firmware-6.bin
 Version: WLAN.TF.2.1-00021-QCARMSWP-1