sh: arch/sh/kernel/setup.c needs asm/smp.h.

With the platform ops migration, the definitions still need to be
included in the CONFIG_SMP=n case, so make the asm/smp.h include
explicit.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 2915538..14735d5 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -39,6 +39,7 @@
 #include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/clock.h>
+#include <asm/smp.h>
 #include <asm/mmu_context.h>
 
 /*