[PATCH] sparc64: time interpolator build fix

We need io.h for readq().
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/timer.c

@@ -36,6 +36,7 @@
 #include <asm/unistd.h>
 #include <asm/div64.h>
 #include <asm/timex.h>
+#include <asm/io.h>
 
 #ifdef CONFIG_TIME_INTERPOLATION
 static void time_interpolator_update(long delta_nsec);