[SYCL][FPGA][NFC] Tidy up intel_fpga_reg codegen test#3810

bader merged 1 commit intointel:syclintel/llvm:syclfrom

mlychkov:private/mlychkov/simplify_codegen_fpga_reg_testmlychkov/llvm:private/mlychkov/simplify_codegen_fpga_reg_testCopy head branch name to clipboard