clk: ti: fix double free in of_ti_divider_clk_setup()

The "div" pointer is freed in _register_divider() and again in
of_ti_divider_clk_setup().  Delete the free in _register_divider()

Fixes: fbbc1859

 ("clk: ti: divider: cleanup _register_divider and ti_clk_get_div_table")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/6d36eeec-6c8a-4f11-a579-aa3cd7c38749@moroto.mountain


Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>