Fix CMPLRTST-17112: Set offset=256 in llvm_test_suite_sycl/esimd_regression_dgetrf test source. (intel#1008)

Author: WangYutao1995

SYCL/ESIMD/regression/Inputs/dgetrf.hpp

@@ -46,7 +46,7 @@ using namespace cl::sycl;
 using namespace std;
 using namespace sycl::ext::intel::esimd;
 
-ESIMD_PRIVATE ESIMD_REGISTER(192) simd<double, 3 * 32 * 4> GRF;
+ESIMD_PRIVATE ESIMD_REGISTER(256) simd<double, 3 * 32 * 4> GRF;
 
 #define V(x, w, i) (x).template select<w, 1>(i)
 #define V1(x, i) V(x, 1, i)