qcacmn: Compile qal_bridge.c only if DBDC_REPEATER_SUPPORT is enabled

qal_bridge.c has dependency on kernel bridge APIs and is required only
if DBDC_REPEATER_SUPPORT is enabled.

Remove qal_bridge.o from QDK Kbuild if DBDC_REPEATER_SUPPORT is not
enabled.

Change-Id: I4820742fed3cee3a168375d5bff0667a4bde3ffe
CRs-Fixed: 3030927

qdf/Kbuild

@@ -74,9 +74,9 @@ $(HOST_QAL_SRC)/linux/src/qal_devcfg.o \
 $(HOST_QAL_SRC)/linux/src/qal_vbus_dev.o \
 $(HOST_QAL_SRC)/linux/src/qal_notifier.o \
 $(HOST_QAL_SRC)/linux/src/qal_devnode.o
-#ifeq ($(DBDC_REPEATER_SUPPORT),1)
+ifeq ($(DBDC_REPEATER_SUPPORT),1)
 qal-objs += $(HOST_QAL_SRC)/linux/src/qal_bridge.o
-#endif
+endif
 
 #linux/src/qdf_net.o \
 #linux/src/qdf_net_event.o \