qcacld-3.0: Support modularizing for auto qca6390

Add code to support modularizing CNSS2 CNSS_GENL and CNSS_UTILS
for auto qca6390.

Change-Id: I3d9c5c7a41863d75c91a17b110e7cce29792bdba
CRs-Fixed: 3249464

configs/qca6390_defconfig

@@ -838,3 +838,15 @@ endif
 CONFIG_WLAN_SYSFS_MEM_STATS := y
 
 CONFIG_WLAN_DP_PENDING_MEM_FLUSH := y
+
+ifeq ($(CONFIG_CNSS2), m)
+CONFIG_CNSS2_MODULE := y
+endif
+
+ifeq ($(CONFIG_CNSS_GENL), m)
+CONFIG_CNSS_GENL_MODULE := y
+endif
+
+ifeq ($(CONFIG_CNSS_UTILS), m)
+CONFIG_CNSS_UTILS_MODULE := y
+endif