clk: ti: move generic OMAP DPLL implementation under drivers/clk

With the legacy clock data now gone, we can start moving OMAP clock
type implementations under clock driver. Start this with moving the
generic OMAP DPLL clock type under TI clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h
index 404158d..05ed10a 100644
--- a/drivers/clk/ti/clock.h
+++ b/drivers/clk/ti/clock.h
@@ -169,4 +169,6 @@
 struct clk *ti_clk_register_clk(struct ti_clk *setup);
 int ti_clk_register_legacy_clks(struct ti_clk_alias *clks);
 
+u8 omap2_init_dpll_parent(struct clk_hw *hw);
+
 #endif