ux500: add debugfs support for powerdebug

Signed-off-by: Vincent Guittot <vincent.guittot@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
diff --git a/arch/arm/mach-ux500/clock.h b/arch/arm/mach-ux500/clock.h
index a058025..0744907 100644
--- a/arch/arm/mach-ux500/clock.h
+++ b/arch/arm/mach-ux500/clock.h
@@ -90,6 +90,10 @@
 
 	struct clk		*parent_cluster;
 	struct clk		*parent_periph;
+#if defined(CONFIG_DEBUG_FS)
+	struct dentry		*dent;		/* For visible tree hierarchy */
+	struct dentry		*dent_bus;	/* For visible tree hierarchy */
+#endif
 };
 
 #define DEFINE_PRCMU_CLK(_name, _cg_off, _cg_bit, _reg)		\