SWDEV-1 Fix a bug of VGPRs (#1000)

Fix a bug of VGPRs due to a previous patch:
SWDEV-546223 - Get image support info from ISA meta

projects/clr/rocclr/device/rocm/rockernel.cpp

@@ -128,7 +128,7 @@ bool Kernel::postLoad() {
   }
   assert(wavefront_size > 0);
 
-  workGroupInfo_.availableVGPRs_ = device().info().vgprsPerSimd_;
+  workGroupInfo_.availableVGPRs_ = device().info().availableVGPRs_;
   workGroupInfo_.availableSGPRs_ = device().info().availableSGPRs_;
   workGroupInfo_.privateMemSize_ = workitemPrivateSegmentByteSize_;
   workGroupInfo_.localMemSize_ = workgroupGroupSegmentByteSize_;