ARM: shmobile: r8a7779: fixup DT machine name

r8a7779 is not sh73a0
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

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

@@ -414,7 +414,7 @@ static const char *r8a7779_compat_dt[] __initdata = {
 	NULL,
 };
 
-DT_MACHINE_START(SH73A0_DT, "Generic R8A7779 (Flattened Device Tree)")
+DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
 	.map_io		= r8a7779_map_io,
 	.init_early	= r8a7779_init_delay,
 	.nr_irqs	= NR_IRQS_LEGACY,