[lld] [LLD] Add support for statically resolved vendor-specific RISCV relocations. (PR #169273)

[Fangrui Song via llvm-commits]

================
@@ -24,6 +24,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "Target.h"
+#include "Arch/RISCVInternalRelocations.h"
----------------
MaskRay wrote:

 Headers included from outside Arch/ should live in lld/ELF/ . However, see below

https://github.com/llvm/llvm-project/pull/169273