drm/panel: simple: Add support for Ampire AM-480272H3TMQW-T01H

Add simple-panel support for the Ampire AM-480272H3TMQW-T01H, which is a
4.3" WQVGA panel.

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>