performance: set tag buffer non-coherent on iGPU

There's no need to snoop cpu cache's for tag buffer.
Tag buffer is mostly read-only on CPU.

Signed-off-by: Szymon Morek <szymon.morek@intel.com>

shared/source/gmm_helper/cache_settings_helper.cpp

@@ -60,6 +60,8 @@ GMM_RESOURCE_USAGE_TYPE_ENUM CacheSettingsHelper::getDefaultUsageTypeWithCaching
             return GMM_RESOURCE_USAGE_OCL_BUFFER_CSR_UC;
         } else if (AllocationType::semaphoreBuffer == allocationType) {
             return GMM_RESOURCE_USAGE_OCL_SYSTEM_MEMORY_BUFFER;
+        } else if (AllocationType::tagBuffer == allocationType) {
+            return GMM_RESOURCE_USAGE_OCL_BUFFER;
         }
     }