clk: ti: add clkdm_lookup to the exported functions

This will be needed to move some additional clockdomain functionality
under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/clock.c

@@ -57,6 +57,7 @@ u16 cpu_mask;
 static struct ti_clk_ll_ops omap_clk_ll_ops = {
 	.clkdm_clk_enable = clkdm_clk_enable,
 	.clkdm_clk_disable = clkdm_clk_disable,
+	.clkdm_lookup = clkdm_lookup,
 	.cm_wait_module_ready = omap_cm_wait_module_ready,
 	.cm_split_idlest_reg = cm_split_idlest_reg,
 };