rocr: Update for new async scratch reclaim

Updating ROCr code to match new handshake protocol with CP FW for
asynchronous scratch reclaim.
Increase previous limits when scratch reclaim feature is available.

runtime/hsa-runtime/core/inc/queue.h

@@ -151,10 +151,10 @@ struct AqlPacket {
 
 class Queue;
 
-/// @brief Helper structure to simplify conversion of amd_queue_t and
+/// @brief Helper structure to simplify conversion of amd_queue_v2_t and
 /// core::Queue object.
 struct SharedQueue {
-  amd_queue_t amd_queue;
+  amd_queue_v2_t amd_queue;
   Queue* core_queue;
 };
 
@@ -378,7 +378,7 @@ class Queue : public Checked<0xFA3906A679F9DB49>, private LocalQueue {
   static void DefaultErrorHandler(hsa_status_t status, hsa_queue_t* source, void* data);
 
   // Handle of AMD Queue struct
-  amd_queue_t& amd_queue_;
+  amd_queue_v2_t& amd_queue_;
 
   hsa_queue_t* public_handle() const { return public_handle_; }