ARM: shmobile: marzen: Add shmobile_init_late()

Extend board specific Marzen DT reference machine vector to include
shmobile_init_late() so Suspend-to-RAM and CPUIdle are setup as expected.
Signed-off-by: NMagnus Damm <damm+renesas@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/board-marzen-reference.c

@@ -67,5 +67,6 @@ DT_MACHINE_START(MARZEN, "marzen")
 	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= r8a7779_init_irq_dt,
 	.init_machine	= marzen_init,
+	.init_late	= shmobile_init_late,
 	.dt_compat	= marzen_boards_compat_dt,
 MACHINE_END