MIPS: ralink: Add support for reset-controller API

Add a helper for reseting different devices on the SoC.

Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5804/
Patchwork: https://patchwork.linux-mips.org/patch/5797/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/ralink/of.c

@@ -110,6 +110,9 @@ static int __init plat_of_setup(void)
 	if (of_platform_populate(NULL, of_ids, NULL, NULL))
 		panic("failed to populate DT\n");
 
+	/* make sure ithat the reset controller is setup early */
+	ralink_rst_init();
+
 	return 0;
 }