[PATCH] Fix cpufreq compile

The timer-handling split patch moved cpufreq stuff from time.c to
timers/timer_tsc.c but not the corresponding #include <linux/cpufreq.h>
causing the build to fail.

The fix is simple.

arch/i386/kernel/time.c

@@ -43,7 +43,6 @@
 #include <linux/smp.h>
 #include <linux/module.h>
 #include <linux/device.h>
-#include <linux/cpufreq.h>
 
 #include <asm/io.h>
 #include <asm/smp.h>

arch/i386/kernel/timers/timer_tsc.c

@@ -7,6 +7,7 @@
 #include <linux/init.h>
 #include <linux/timex.h>
 #include <linux/errno.h>
+#include <linux/cpufreq.h>
 
 #include <asm/timer.h>
 #include <asm/io.h>