Vendor psutils and remove neko

plugins/system/ps/host/host_linux_arm.go

@@ -0,0 +1,27 @@
+// +build linux
+// +build arm
+
+package host
+
+type exitStatus struct {
+	Etermination int16 // Process termination status.
+	Eexit        int16 // Process exit status.
+}
+type timeval struct {
+	TvSec  uint32 // Seconds.
+	TvUsec uint32 // Microseconds.
+}
+
+type utmp struct {
+	Type    int16      // Type of login.
+	Pid     int32      // Process ID of login process.
+	Line    [32]byte   // Devicename.
+	ID      [4]byte    // Inittab ID.
+	User    [32]byte   // Username.
+	Host    [256]byte  // Hostname for remote login.
+	Exit    exitStatus // Exit status of a process marked
+	Session int32      // Session ID, used for windowing.
+	Tv      timeval    // Time entry was made.
+	AddrV6  [16]byte   // Internet address of remote host.
+	Unused  [20]byte   // Reserved for future use. // original is 20
+}