msm: clk: qcom: add clock handoff for vco to support continuous splash

Add clock handoff for 10nm pll driver to support continuous splash
on SDM845.

Change-Id: If52768311103698206991107f274bf48f5630fae
Signed-off-by: Shashank Babu Chinta Venkata <sbchin@codeaurora.org>
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>