sh: clkfwk: Map tree hierarchy in debugfs.

This adopts the OMAP clock framework debugfs bits and replaces the aging
procfs bits. The procfs clocks entry was primarily a debugging aid, and
used to be tied in to cpuinfo before the clock list grew too unweildly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h
index da681de..c499d47 100644
--- a/arch/sh/include/asm/clock.h
+++ b/arch/sh/include/asm/clock.h
@@ -38,6 +38,7 @@
 
 	unsigned long		arch_flags;
 	void			*priv;
+	struct dentry		*dentry;
 };
 
 struct clk_lookup {