ARM: dts: msm: fix config-select in sharp dsc 4k video mode panel

The dsc config-select parameter in sharp dsc 4k video mode panel
wrongly points to a different config structure. Fix it to
use the correct structure.

CRs-fixed: 973663
Change-Id: I5b3d07e4c7c3c3f0465db6ab4a2ca64d17a1e642
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>