[Patch] powerpc: fix build errors due to the movement of reboot events

[Cong Wang]

Hi, Andrew,

Please fold this patch into notifiers-sys-move-reboot-notifiers-into-rebooth.patch.

With this patch applied, make allyesconfig succeeds on ppc64.

Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>

Thanks!
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 271ff63..0e0ea94 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -24,6 +24,7 @@
 #include <linux/cpumask.h>
 #include <linux/memblock.h>
 #include <linux/slab.h>
+#include <linux/reboot.h>
 
 #include <asm/prom.h>
 #include <asm/rtas.h>
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index bf5f5ce..e037c74 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/proc_fs.h>
+#include <linux/reboot.h>
 #include <asm/delay.h>
 #include <asm/uaccess.h>
 #include <asm/rtas.h>