Added support for executable and symbols for data structures

- symbol handle is added to hipFunction
- executable handle is added to hipModule
- This way, the APIs doesn't need to track the values

Change-Id: I7cf05329cf79fe946319d7746bd9f5503268fda4

include/hcc_detail/hip_runtime_api.h

@@ -52,9 +52,15 @@ typedef struct ihipDevice_t *hipDevice_t;
 
 typedef struct ihipStream_t *hipStream_t;
 
-typedef uint64_t hipFunction;
+typedef struct {
+uint64_t kernel;
+uint64_t symbol;
+}hipFunction;
 
-typedef uint64_t hipModule;
+typedef struct{
+uint64_t executable;
+uint64_t object;
+} hipModule;
 
 typedef struct hipEvent_t {
     struct ihipEvent_t *_handle;