clk: ti: divider: cleanup ti_clk_parse_divider_data API

Cleanup the ti_clk_parse_divider_data to pass the divider data struct
directly instead of individual values of it. This makes it easier
to modify the implementation later on.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Adam Ford <aford173@gmail.com>