std.os.linux.tls: Fix setThreadPointer() for armeb and thumbeb.

Author: alexrp

lib/std/os/linux/tls.zig

@@ -164,7 +164,7 @@ pub fn setThreadPointer(addr: usize) void {
                 : [addr] "r" (addr),
             );
         },
-        .arm, .thumb => {
+        .arm, .armeb, .thumb, .thumbeb => {
             const rc = linux.syscall1(.set_tls, addr);
             assert(rc == 0);
         },