sparc64: remove duplicated include

Remove dulicated include file <asm/timer.h> in arch/sparc64/kernel/smp.c.
Signed-off-by: NHuang Weiyi <hwy@cn.fujitsu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc64/kernel/smp.c

@@ -38,7 +38,6 @@
 #include <asm/pgtable.h>
 #include <asm/oplib.h>
 #include <asm/uaccess.h>
-#include <asm/timer.h>
 #include <asm/starfire.h>
 #include <asm/tlb.h>
 #include <asm/sections.h>