overlays: Add "vc4-kms-dsi-7inch.dtbo"
overlays: Add "vc4-kms-dsi-7inch.dtbo"

In theory, this would allow one to use the official 7-inch touchscreen
in combination with the (non-firmware) kms driver by adding the
following lines to config.txt:

ignore_lcd=1
dtoverlay=vc4-kms-v3d
dtoverlay=vc4-kms-dsi-7inch

Signed-off-by: Mike Looijmans <a3a80a5bf09f2a16fb39154c4e7d0b2d849b0dfb@topic.nl>

agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,schnitzeltony/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,schnitzeltony/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,schnitzeltony/meta-raspberrypi