--Added support for the extension SPV_KHR_relaxed_extended_instruction

--Modified the SPIRVEmitNonSemanticDI.cpp file for forward referencing
--Modified the test files to reflect the changes made in SPIRVEmitNonSemanticDI.cpp.

Author: aadeshps-mcw

llvm/lib/Target/SPIRV/MCTargetDesc/SPIRVInstPrinter.cpp

@@ -110,7 +110,8 @@ void SPIRVInstPrinter::printInst(const MCInst *MI, uint64_t Address,
     printOpDecorate(MI, OS);
   } else if (OpCode == SPIRV::OpExtInstImport) {
     recordOpExtInstImport(MI);
-  } else if (OpCode == SPIRV::OpExtInst || OpCode == SPIRV::OpExtInstWithForwardRefsKHR) {
+  } else if (OpCode == SPIRV::OpExtInst ||
+             OpCode == SPIRV::OpExtInstWithForwardRefsKHR) {
     printOpExtInst(MI, OS);
   } else if (OpCode == SPIRV::UNKNOWN_type) {
     printUnknownType(MI, OS);