Adjust the r8a7790 SoC support code to not configure any non-DT SMP code
in case the DT-based enable-method has been installed already.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
 };
 
 DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)")
+       .smp_init       = shmobile_smp_init_fallback_ops,
        .smp            = smp_ops(r8a7790_smp_ops),
        .init_early     = shmobile_init_delay,
        .init_time      = rcar_gen2_timer_init,