Fix the build errors when enabling -DLLVM_ENABLE_MODULES=On and change e53e6ec6ef74

[rastogishubham]

Summary

With change e53e6ec6ef74 we see errors like

/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:877:1: error: expected identifier
#include "ELFRelocs/LoongArch.def"
^
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:877:1: error: expected '}'
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:876:6: note: to match this '{'
enum {

^
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:876:7: error: expected ';' after enum
enum {

^
;
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:876:1: warning: declaration does not declare anything [-Wmissing-declarations]
enum {
^
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:877:1: fatal error: import of module 'LLVM_BinaryFormat.ELFRelocs.LoongArch' appears within namespace 'llvm::ELF'
#include "ELFRelocs/LoongArch.def"
^
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/BinaryFormat/ELF.h:27:1: note: namespace 'llvm::ELF' begins here
namespace ELF {
^
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/lib/BinaryFormat/AMDGPUMetadataVerifier.cpp:14:10: fatal error: could not build module 'LLVM_BinaryFormat'
#include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h"
~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

On the lldb bots. This patch fixes it

llvm/include/llvm/module.modulemap

module LLVM_BinaryFormat {
     textual header "BinaryFormat/ELFRelocs/PowerPC.def"
     textual header "BinaryFormat/ELFRelocs/RISCV.def"
     textual header "BinaryFormat/ELFRelocs/Sparc.def"
     textual header "BinaryFormat/ELFRelocs/SystemZ.def"
     textual header "BinaryFormat/ELFRelocs/VE.def"
     textual header "BinaryFormat/ELFRelocs/x86_64.def"
     textual header "BinaryFormat/WasmRelocs.def"
     textual header "BinaryFormat/MsgPack.def"
+    textual header "BinaryFormat/ELFRelocs/LoongArch.def"
 }
 
 module LLVM_Config {
   requires cplusplus
   umbrella "Config"
   extern module LLVM_Extern_Config_Def "module.extern.modulemap"
   module * { export * }
 }