powerpc/rcpm: Fix build break when SMP=n
Add an include of asm/smp.h to fix a build break when SMP=n:
arch/powerpc/sysdev/fsl_rcpm.c:32:2: error: implicit declaration of
function 'get_hard_smp_processor_id'
Fixes: d17799f9c10e ("powerpc/rcpm: add RCPM driver")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/sysdev/fsl_rcpm.c b/arch/powerpc/sysdev/fsl_rcpm.c
index 656d9ca..9259a94 100644
--- a/arch/powerpc/sysdev/fsl_rcpm.c
+++ b/arch/powerpc/sysdev/fsl_rcpm.c
@@ -22,6 +22,7 @@
#include <linux/fsl/guts.h>
#include <asm/cputhreads.h>
#include <asm/fsl_pm.h>
+#include <asm/smp.h>
static struct ccsr_rcpm_v1 __iomem *rcpm_v1_regs;
static struct ccsr_rcpm_v2 __iomem *rcpm_v2_regs;