disp: msm: dsi: avoid sharing ctrl hw ops across versions

Avoid sharing and have dedicated dsi HW ctrl ops across versions
even if they are identical. It helps to stub out a specific
version of ops if needed.

Change-Id: Ic14c206b526ebe03dd5f47f62701820e7e542670
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>