sh: clkfwk: Move to common clk_div_table accessors for div4/div6.

This plugs in a generic clk_div_table, based on the div4 version. div6 is
then adopted to use it for encapsulating its div table, which permits us
to start div6/4 unification, as well as preparation for other div types.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index c513b73..706b803 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -18,7 +18,6 @@
 	struct kref		ref;
 };
 
-
 struct sh_clk_ops {
 #ifdef CONFIG_SH_CLK_CPG_LEGACY
 	void (*init)(struct clk *clk);
@@ -149,11 +148,13 @@
 	.flags = _flags,					\
 }
 
-struct clk_div4_table {
+struct clk_div_table {
 	struct clk_div_mult_table *div_mult_table;
 	void (*kick)(struct clk *clk);
 };
 
+#define clk_div4_table clk_div_table
+
 int sh_clk_div4_register(struct clk *clks, int nr,
 			 struct clk_div4_table *table);
 int sh_clk_div4_enable_register(struct clk *clks, int nr,