Change 2 Read Length from GRF size to 32B

Change NOS buffer and constant buffer read length
from GRF size to 32B/256b in OCL.

Author: elvinw-intel

IGC/Compiler/CISACodeGen/OpenCLKernelCodeGen.cpp

@@ -2755,8 +2755,8 @@ namespace IGC
         m_kernelInfo.m_executionEnvironment.PerThreadScratchSpace = pOutput->getScratchSpaceUsageInSlot0();
         m_kernelInfo.m_executionEnvironment.PerThreadScratchSpaceSlot1 = pOutput->getScratchSpaceUsageInSlot1();
         m_kernelInfo.m_executionEnvironment.PerThreadPrivateOnStatelessSize = m_perWIStatelessPrivateMemSize;
-        m_kernelInfo.m_kernelProgram.NOSBufferSize = m_NOSBufferSize / getGRFSize(); // in 256 bits
-        m_kernelInfo.m_kernelProgram.ConstantBufferLength = m_ConstantBufferLength / getGRFSize(); // in 256 bits
+        m_kernelInfo.m_kernelProgram.NOSBufferSize = m_NOSBufferSize / getMinPushConstantBufferAlignmentInBytes(); // in 256 bits
+        m_kernelInfo.m_kernelProgram.ConstantBufferLength = m_ConstantBufferLength / getMinPushConstantBufferAlignmentInBytes(); // in 256 bits
         m_kernelInfo.m_kernelProgram.MaxNumberOfThreads = m_Platform->getMaxGPGPUShaderThreads() / GetShaderThreadUsageRate();
 
         m_kernelInfo.m_executionEnvironment.SumFixedTGSMSizes = getSumFixedTGSMSizes(entry);