drm/panel: samsung-s6d7aa0: transition to mipi_dsi wrapped functions

Changes the samsung-s6d7aa0 panel to use multi style functions for
improved error handling.

Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
[dianders: fixed whitespace errors]
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250319183106.12613-1-tejasvipin76@gmail.com