powerpc/52xx/efika: Move PHB discovery

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201103043523.916109-5-oohall@gmail.com

arch/powerpc/platforms/52xx/efika.c

@@ -185,8 +185,6 @@ static void __init efika_setup_arch(void)
 	/* Map important registers from the internal memory map */
 	mpc52xx_map_common_devices();
 
-	efika_pcisetup();
-
 #ifdef CONFIG_PM
 	mpc52xx_suspend.board_suspend_prepare = efika_suspend_prepare;
 	mpc52xx_pm_init();
@@ -218,6 +216,7 @@ define_machine(efika)
 	.name			= EFIKA_PLATFORM_NAME,
 	.probe			= efika_probe,
 	.setup_arch		= efika_setup_arch,
+	.discover_phbs		= efika_pcisetup,
 	.init			= mpc52xx_declare_of_platform_devices,
 	.show_cpuinfo		= efika_show_cpuinfo,
 	.init_IRQ		= mpc52xx_init_irq,