[MIPS] dec/time.c: Remove no longer needed inclusion of <asm/div64.h>.

Signed-off-by: NMaciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/dec/time.c

@@ -24,7 +24,6 @@
 
 #include <asm/bootinfo.h>
 #include <asm/cpu.h>
-#include <asm/div64.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/mipsregs.h>