ARM: shmobile: Use r8a7740 DT CPU Frequency in common case

Convert the common C-code-less r8a7740 DT board support
to use shmobile_init_delay() to be able to migrate away
from per-SoC delay setup functions.
Signed-off-by: NMagnus Damm <damm+renesas@opensource.se>
Tested-by: NGeert Uytterhoeven <geert@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

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

@@ -935,7 +935,7 @@ static const char *r8a7740_boards_compat_dt[] __initdata = {
 
 DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
 	.map_io		= r8a7740_map_io,
-	.init_early	= r8a7740_init_delay,
+	.init_early	= shmobile_init_delay,
 	.init_irq	= r8a7740_init_irq_of,
 	.init_machine	= r8a7740_generic_init,
 	.dt_compat	= r8a7740_boards_compat_dt,