qcacmn: Export qdf symbol for functions used for CBT

Add export function symbol for functions and compile
qdf_func_tracker.c file, required for code instrumentation.
These functions print the dump of function call map and are
called during CBT test case execution, to find errors and
trace function calls.

Change-Id: Idc79de7111398956b4995d3d7cbefa45a079b100
CRs-Fixed: 2748686

qdf/Kbuild

@@ -39,6 +39,7 @@ endif
 
 qdf-objs :=                     \
 linux/src/qdf_defer.o  \
+linux/src/qdf_func_tracker.o \
 linux/src/qdf_dev.o    \
 linux/src/qdf_event.o   \
 linux/src/qdf_file.o   \

qdf/linux/src/qdf_func_tracker.c

@@ -19,6 +19,7 @@
 #include <linux/string.h>
 #include <qdf_func_tracker.h>
 #include <qdf_mem.h>
+#include <qdf_module.h>
 
 #ifdef FUNC_CALL_MAP
 char qdf_func_call_map_buf[QDF_FUNCTION_CALL_MAP_BUF_LEN] = {0};
@@ -33,14 +34,21 @@ void cc_func(unsigned int track)
 	qdf_func_call_map_buf[index] |= (char)(1 << bit);
 }
 
+qdf_export_symbol(cc_func);
+
 void qdf_get_func_call_map(char *data)
 {
 	qdf_mem_copy(data, qdf_func_call_map_buf,
 		     QDF_FUNCTION_CALL_MAP_BUF_LEN);
 }
 
+qdf_export_symbol(qdf_get_func_call_map);
+
 void qdf_clear_func_call_map(void)
 {
 	qdf_mem_zero(qdf_func_call_map_buf, QDF_FUNCTION_CALL_MAP_BUF_LEN);
 }
+
+qdf_export_symbol(qdf_clear_func_call_map);
+
 #endif