ECR #333756 - Add support for relocations/offline global support in finalizer/loader

Testing: precheckin (http://ocltc:8111/viewModification.html?modId=51121&personal=true&init=1&tab=vcsModificationBuilds)

[git-p4: depot-paths = "//depot/stg/hsa/drivers/hsa/runtime/": change = 1147298]

samples/common/hsa_base_util.cpp

@@ -98,7 +98,7 @@ bool HSA_UTIL::HsaInit()
 
 	// Get symbol handle.
 	hsa_executable_symbol_t kernelSymbol;
-	err = hsa_executable_get_symbol(hsaExecutable, "",  hsa_kernel_name, device, 0, &kernelSymbol);
+	err = hsa_executable_get_symbol(hsaExecutable, NULL,  hsa_kernel_name, device, 0, &kernelSymbol);
 	check("get symbol handle", err);
 
 	// Get code handle.

samples/common/hsa_rsrc_factory.cpp

@@ -278,7 +278,7 @@ bool HsaRsrcFactory::LoadAndFinalize(AgentInfo *agent_info,
 
   // Get symbol handle.
   hsa_executable_symbol_t kernelSymbol;
-  status = hsa_executable_get_symbol(hsaExecutable, "",
+  status = hsa_executable_get_symbol(hsaExecutable, NULL,
                              kernel_name, agent_info->dev_id, 0, &kernelSymbol);
   
   // Update output parameter