omap2+: Add separate list for dynamic pads to mux

This avoids going through the list unnecessarily when
idling devices for runtime PM.

Based on an earlier patch by sricharan <r.sricharan@ti.com>.

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 23c77cd..1adea9c 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -90,6 +90,9 @@
 struct omap_hwmod_mux_info {
 	int				nr_pads;
 	struct omap_device_pad		*pads;
+	int				nr_pads_dynamic;
+	struct omap_device_pad		**pads_dynamic;
+	bool				enabled;
 };
 
 /**