MIPS: parse chosen node on boot

Call early_init_devtree from inside __dt_setup_arch to allow parsing of the
chosen node.

Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3718/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 4c788d2..f11b2bb 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -105,4 +105,6 @@
 	}
 
 	initial_boot_params = bph;
+
+	early_init_devtree(initial_boot_params);
 }