Add back deprecated hipHostAlloc, hipMallocHost, hipFreeHost

Change-Id: Ib8494078c852b07e1958c3acc21fa1866542122c

src/hip_memory.cpp

@@ -174,6 +174,16 @@ hipError_t hipHostMalloc(void** ptr, size_t sizeBytes, unsigned int flags)
     return ihipLogStatus(hip_status);
 }
 
+hipError_t hipMallocHost(void** ptr, size_t sizeBytes)
+{
+    return hipHostMalloc(ptr, sizeBytes, 0);
+}
+
+hipError_t hipHostAlloc(void** ptr, size_t sizeBytes, unsigned int flags)
+{
+    return hipHostMalloc(ptr, sizeBytes, flags);
+};
+
 // width in bytes
 hipError_t hipMallocPitch(void** ptr, size_t* pitch, size_t width, size_t height) 
 {
@@ -930,6 +940,11 @@ hipError_t hipHostFree(void* ptr)
     return ihipLogStatus(hipStatus);
 };
 
+hipError_t hipFreeHost(void* ptr)
+{
+    return hipHostFree(ptr);
+}
+
 hipError_t hipFreeArray(hipArray* array)
 {
     HIP_INIT_API(array);