qcacmn: Add qdf_print_thread_trace API

Add an abstraction to QDF for printing the stack trace of a given
thread.

Change-Id: Ibea6e6bed7f3ebe67538b8ea8b6b437b643d5541
CRs-Fixed: 2088806

qdf/inc/qdf_util.h

@@ -41,7 +41,6 @@
 #define QDF_MAX_AVAILABLE_CPU	1
 #endif
 
-typedef __qdf_thread_t qdf_thread_t;
 typedef __qdf_wait_queue_head_t qdf_wait_queue_head_t;
 
 /**