ARM: shmobile: Use shmobile_init_late() on r8a7740

Hook up ->init_late for r8a7740 to initialize Suspend-to-RAM
and CPUIdle in case of C-code less board support for r8a7740.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/setup-r8a7740.c

@@ -933,6 +933,7 @@ DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
 	.init_early	= shmobile_init_delay,
 	.init_irq	= r8a7740_init_irq_of,
 	.init_machine	= r8a7740_generic_init,
+	.init_late	= shmobile_init_late,
 	.dt_compat	= r8a7740_boards_compat_dt,
 MACHINE_END