linux-user: Add support for clock_adjtime() syscall

This patch implements Qemu user mode clock_adjtime() syscall support.

The implementation is based on invocation of host's clock_adjtime().

Signed-off-by: Aleksandar Rikalo <aleksandar.rikalo@imgtec.com>
Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
diff --git a/linux-user/strace.list b/linux-user/strace.list
index 4bbe0d3..dcd3812 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -79,6 +79,9 @@
 #ifdef TARGET_NR_chroot
 { TARGET_NR_chroot, "chroot" , NULL, NULL, NULL },
 #endif
+#ifdef TARGET_NR_clock_adjtime
+{ TARGET_NR_clock_adjtime, "clock_adjtime" , NULL, print_clock_adjtime, NULL },
+#endif
 #ifdef TARGET_NR_clock_getres
 { TARGET_NR_clock_getres, "clock_getres" , NULL, NULL, NULL },
 #endif