asm-generic: support clock_adjtime() in <asm-generic/unistd.h>

A syscall was added without being added to asm-generic, which
makes tile (and presumably score and unicore32) break.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 57af033..d94f447 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -650,9 +650,11 @@
 __SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at)
 #define __NR_open_by_handle_at		265
 __SYSCALL(__NR_open_by_handle_at, sys_open_by_handle_at)
+#define __NR_clock_adjtime 266
+__SYSCALL(__NR_clock_adjtime, sys_clock_adjtime)
 
 #undef __NR_syscalls
-#define __NR_syscalls 266
+#define __NR_syscalls 267
 
 /*
  * All syscalls below here should go away really,