Fix Invalid Engine Offset Check

Engine offset that is the maximum number of engines is still valid
as offset enum 0 is occupied by blit copies so raise the limit by 1.

Change-Id: I6fcab106290e6647702efe297a4281861da4e0b8

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

@@ -788,7 +788,7 @@ hsa_status_t GpuAgent::DmaCopyOnEngine(void* dst, core::Agent& dst_agent,
           (dst_agent.device_type() == core::Agent::kAmdGpuDevice)) &&
          ("Both devices are CPU agents which is not expected"));
 
-  if (engine_offset >= properties_.NumSdmaEngines + properties_.NumSdmaXgmiEngines) {
+  if (engine_offset > properties_.NumSdmaEngines + properties_.NumSdmaXgmiEngines) {
     return HSA_STATUS_ERROR_INVALID_ARGUMENT;
   }