SWDEV-459254 - Make the memory alignment as 256 from 128.

Change-Id: I349486d315d948d750fdc28bd783e7010154ac3f

rocclr/device/pal/palconstbuf.cpp

@@ -72,7 +72,7 @@ bool ManagedBuffer::create(Resource::MemoryType type) {
 // ================================================================================================
 address ManagedBuffer::reserve(uint32_t size, uint64_t* gpu_address) {
   // Align to the maximum data size available in OpenCL
-  static constexpr uint32_t MemAlignment = sizeof(double[16]);
+  static constexpr uint32_t MemAlignment = sizeof(double[32]);
 
   // Align reserve size on the vector's boundary
   uint32_t count = amd::alignUp(size, MemAlignment);