msm: camera: csiphy: Update common sequence for csiphy v1.2

Add a high-to-low transition in the CTRL0 register
during the common power-up sequence.

CRs-Fixed: 2580437
Change-Id: I66541d3d787fa2f161e5d8e647fb11c8075a1947
Signed-off-by: Shravan Nevatia <snevatia@codeaurora.org>