cmd/link/internal/loong64: correct the glibc dynamic linker path.

Ref: https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_program_interpreter_path

Change-Id: Ic2598110cc091362cb09f877b6b86433cacf32c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/526535
Reviewed-by: Ian Lance Taylor <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: abner chenc <[email protected]>
Reviewed-by: Cherry Mui <[email protected]>

Author: limeidan

src/cmd/link/internal/loong64/obj.go

@@ -29,7 +29,7 @@ func Init() (*sys.Arch, ld.Arch) {
 		Gentext:          gentext,
 
 		ELF: ld.ELFArch{
-			Linuxdynld:     "/lib64/ld.so.1",
+			Linuxdynld:     "/lib64/ld-linux-loongarch-lp64d.so.1",
 			LinuxdynldMusl: "/lib64/ld-musl-loongarch.so.1",
 			Freebsddynld:   "XXX",
 			Openbsddynld:   "XXX",