ARM: shmobile: Use ->init_late() on Koelsch

Hook in shmobile_init_late() on Koelsch. This enables some PM
related things like CPUIdle and Suspend-to-RAM.

With this patch applied it is possible to use Suspend-to-RAM:
# echo enabled > /sys/class/tty/ttySC6/power/wakeup
# echo mem > /sys/power/state
(wake by sending a character on the serial console)
Signed-off-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

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

@@ -22,6 +22,7 @@
 #include <linux/clk-provider.h>
 #include <linux/kernel.h>
 #include <linux/of_platform.h>
+#include <mach/common.h>
 #include <mach/rcar-gen2.h>
 #include <mach/r8a7791.h>
 #include <asm/mach/arch.h>
@@ -47,5 +48,6 @@ DT_MACHINE_START(KOELSCH_DT, "koelsch")
 	.init_early	= r8a7791_init_early,
 	.init_time	= rcar_gen2_timer_init,
 	.init_machine	= koelsch_add_standard_devices,
+	.init_late	= shmobile_init_late,
 	.dt_compat	= koelsch_boards_compat_dt,
 MACHINE_END

arch/arm/mach-shmobile/board-koelsch.c

@@ -92,7 +92,8 @@ static const char * const koelsch_boards_compat_dt[] __initconst = {
 DT_MACHINE_START(KOELSCH_DT, "koelsch")
 	.smp		= smp_ops(r8a7791_smp_ops),
 	.init_early	= r8a7791_init_early,
-	.init_machine	= koelsch_add_standard_devices,
 	.init_time	= rcar_gen2_timer_init,
+	.init_machine	= koelsch_add_standard_devices,
+	.init_late	= shmobile_init_late,
 	.dt_compat	= koelsch_boards_compat_dt,
 MACHINE_END