ath10k-ct: Update driver to latest.

Among other things, this will check for an htt-mgt variant of
ath10k-ct firmware before loading 'normal' firmware, and it disables
verbose printing of firmware DBGLOG messages by default.

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

package/kernel/ath10k-ct/Makefile

@@ -8,9 +8,9 @@ PKG_LICENSE_FILES:=
 
 PKG_SOURCE_URL:=https://github.com/greearb/ath10k-ct.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2017-06-13
-PKG_SOURCE_VERSION:=e1edd74d5f0c5291b0be72c81033e74e267929d4
-PKG_MIRROR_HASH:=945dc7110017a80c33cac20d9d2a9beda0a6a98b50178319403568098534e60a
+PKG_SOURCE_DATE:=2018-03-16
+PKG_SOURCE_VERSION:=30827f7d5b9841905c4efe918da2d95fc518c921
+PKG_MIRROR_HASH:=aac023d7f9b09becf27058b1d09ae6d068b14bb6f10c5b5a248c7ee5ecff04dc
 
 PKG_MAINTAINER:=Ben Greear <greearb@candelatech.com>
 PKG_BUILD_PARALLEL:=1