[MIPS] Add #include <linux/profile.h> to arch/mips/kernel/time.c

It refer to CPU_PROFILING.

arch/mips/kernel/time.c: In function 'local_timer_interrupt':
arch/mips/kernel/time.c:142: error: implicit declaration of function 'profile_tick'
arch/mips/kernel/time.c:142: error: 'CPU_PROFILING' undeclared (first use in this function)
arch/mips/kernel/time.c:142: error: (Each undeclared identifier is reported only once
arch/mips/kernel/time.c:142: error: for each function it appears in.)
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/time.c

@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/param.h>
+#include <linux/profile.h>
 #include <linux/time.h>
 #include <linux/timex.h>
 #include <linux/smp.h>