feat(asm): encode the arm64 local-exec TLS load

Assisted-by: GLM 5.3 Flash

asm/link.go

@@ -106,6 +106,7 @@ const (
 	RelArm64LDST64                      // R_ARM64_PCREL_LDST64 (ADRP + 64-bit LDR/STR pair)
 	RelLoong64Branch                    // R_CALLLOONG64 (BL instruction)
 	RelAddr                             // R_ADDR: the absolute address of a symbol held in a DATA field
+	RelArm64TLSLE                       // R_ARM64_TLS_LE (MOVZ local-exec TLS load)
 )
 
 type Reloc struct {