drm/msm/dp: update CP2520 pattern for electrical compliance

Update the controller programming for the CP2520 pattern
for electrical compliance. This is required to ensure that
the controller sends the correct CP2520 pattern when it is
requested during testing.

Change-Id: I8a90ae66cf56983f9b0ec356907a30dbcd202ab7
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>