clk: qcom: krait-cc: use devm variant for clk notifier register

Use devm variant for clk notifier register and correctly handle free
resource on driver remove.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221108215827.30475-1-ansuelsmth@gmail.com