ath10k-ct: fix typo in Makefile

Add forgotten colon to Makefile.

Signed-off-by: Michael Yartys <[email protected]>

package/kernel/ath10k-ct/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ath10k-ct
-PKG_RELEASE=$(AUTORELEASE)
+PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_LICENSE:=GPLv2
 PKG_LICENSE_FILES:=