Latest ath10k CT 988X firmware (beta-18).

*  Backport much of the 10.2 firmware features from upstream QCA driver.
     This includes ANI support, adaptive CCA, tx-hang workarounds,
     and lots of other things.
     Not all of this may be enabled at this point, and more code waits to
     be backported as time and motivation allows.

  *  Fix some rate-control issues where ath10k in station mode (at least), would
     sometimes get stuck at low rates.  This appeared to be a probe related
     state machine issue in the firmware, so I added some timeout logic to kick
     the state machine if it gets stuck.  This signicantly improves throughput
     tests with many stations.

  *  Support configuring WMI WD timeout using SET_SPECIAL API.

  *  Properly configure the rx-mask on bootup to work around problem found
     by Mr. Kazior.  This should remove the need to add the driver hack he
     posted.

  *  Allow configuring pdev failed-retry threshold.  This is how many consecutive
     tx failures the firmware will allow before resetting the wifi chip (not a full
     firmware crash).

Signed-off-by: Ben Greear <greearb@candelatech.com>

package/firmware/ath10k-firmware/Makefile

@@ -66,14 +66,14 @@ $(Package/ath10k-firmware-default)
   CATEGORY:=Firmware
 endef
 
-QCA988X_FIRMWARE_FILE_CT:=firmware-2-ct-full-community-16.1.bin-lede
+QCA988X_FIRMWARE_FILE_CT:=firmware-2-ct-full-community.bin-18.rc1-lede
 QCA99X0_FIRMWARE_FILE_CT:=firmware-5-ct-full-community-7.bin-lede.004
 QCA9984_FIRMWARE_FILE_CT:=firmware-5-ct-full-community-7.bin-lede.004
 
 define Download/ath10k-firmware-qca988x-ct
   URL:=https://www.candelatech.com/downloads/
   FILE:=$(QCA988X_FIRMWARE_FILE_CT)
-  MD5SUM:=d7e081e9782936ed544b78994c9133fb
+  MD5SUM:=89b436bad5d80c57bbf74e498095c9d2
 endef
 $(eval $(call Download,ath10k-firmware-qca988x-ct))