[PATCH] powerpc: Define 'crash_kexec_wait_realmode' for Non-SMP systems.

This fixes a regression from b987812b3fcaf70fdf0037589e5d2f5f2453e6ce
"powerpc/kexec: Fix mismatched ifdefs for PPC64/SMP" which resulted in

arch/powerpc/kernel/crash.c: In function =E2=80=98default_machine_crash_s=
hutdown=E2=80=99:
  arch/powerpc/kernel/crash.c:349: error: implicit declaration of functio=
n
  =E2=80=98crash_kexec_wait_realmode=E2=80=99

message on when compiling on Blue&White G3 and CONFIG_SMP is not defined.

Signed-off-by: Shaun Ruffell <redacted>
---
 arch/powerpc/kernel/crash.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 3d3d416..5e6e37f 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c

@@ -255,6 +255,9 @@ void crash_kexec_secondary(struct pt_regs *regs)
 {
 	cpus_in_sr =3D CPU_MASK_NONE;
 }
+
+static inline void crash_kexec_wait_realmode(int cpu) {}
+
 #endif

=20
 /*
--=20
1.7.4.3