Description: Fix mips build issues
--- a/unix/endian_little.go
+++ b/unix/endian_little.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
-// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le
+// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le mipsn64
 
 package unix
 
--- a/unix/syscall_linux_mips64x.go
+++ b/unix/syscall_linux_mips64x.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // +build linux
-// +build mips64 mips64le
+// +build mips64 mips64le mipsn64
 
 package unix
 
--- a/unix/syscall_linux_mipsx.go
+++ b/unix/syscall_linux_mipsx.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // +build linux
-// +build mips mipsle
+// +build mips mipsle mipso32
 
 package unix