timer: Remove <common.h> and add needed includes

Remove <common.h> from this driver directory and when needed
add missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

drivers/timer/tsc_timer.c

@@ -6,7 +6,6 @@
  * arch/x86/kernel/tsc_msr.c and arch/x86/kernel/tsc.c
  */
 
-#include <common.h>
 #include <bootstage.h>
 #include <dm.h>
 #include <log.h>