ARM: shmobile: r8a7779: Generic SMP ops

Add a r8a7779-specific SMP operation pointer to support
all 4 CPU cores through SMP on r8a7779 without C board code.
Signed-off-by: NMagnus Damm <damm+renesas@opensource.se>
Acked-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/setup-r8a7779.c

@@ -772,6 +772,7 @@ static const char *r8a7779_compat_dt[] __initdata = {
 };
 
 DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
+	.smp		= smp_ops(r8a7779_smp_ops),
 	.map_io		= r8a7779_map_io,
 	.init_early	= shmobile_init_delay,
 	.init_time	= r8a7779_init_time,