ARM: davinci: PM: support da8xx DT platforms

Add PM support for DA850 device-tree boot.
Signed-off-by: NKevin Hilman <khilman@baylibre.com>
Signed-off-by: NSekhar Nori <nsekhar@ti.com>

arch/arm/mach-davinci/da8xx-dt.c

@@ -61,6 +61,7 @@ static void __init da850_init_machine(void)
 			__func__, ret);
 
 	of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
+	davinci_pm_init();
 }
 
 static const char *const da850_boards_compat[] __initconst = {