clk: qcom: clk-regmap: Add support for devm_clk_regmap_list_node

There can be cases where the clock providers have multiple regmaps and
directly registers to the clock framework. The clk regmap ops like list
registers/clk rate max would be registered only if the provider is added
to the regmap list node.
Thus expose this API for those providers to add to the list.

Change-Id: I1463c12eeed431d30e96404f2162dd75d202d4b9
Signed-off-by: Taniya Das <tdas@codeaurora.org>