Add format script.

Adds a script to run clang-format on the latest patch so we don't
need to remember the command line.

Also applies missing formatting to the prior commit,
"Add API for available GPU memory".

Change-Id: Ida51aedc38af229f6a26e275072654860748fa93


[ROCm/ROCR-Runtime commit: e7152c8b16]

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -1038,11 +1038,9 @@ hsa_status_t GpuAgent::GetInfo(hsa_agent_info_t attribute, void* value) const {
 
       status = hsaKmtAvailableMemory(node_id(), &availableBytes);
 
-      if (status != HSAKMT_STATUS_SUCCESS)
-        return HSA_STATUS_ERROR_INVALID_ARGUMENT;
+      if (status != HSAKMT_STATUS_SUCCESS) return HSA_STATUS_ERROR_INVALID_ARGUMENT;
 
-      for (auto r: regions())
-        availableBytes += ((AMD::MemoryRegion*)r)->GetCacheSize();
+      for (auto r : regions()) availableBytes += ((AMD::MemoryRegion*)r)->GetCacheSize();
 
       availableBytes += scratch_cache_.free_bytes();