clk: qcom: gcc-ipq806x: convert parent_names to parent_data

Convert parent_names to parent_data to modernize the driver.
Where possible use parent_hws directly.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220226135235.10051-6-ansuelsmth@gmail.com