The panel-nec-nl8048hl11 driver incorrectly includes the OF vendor
prefix in its SPI alias. Fix it, and move the manual alias to an SPI
module device table.

Fixes: df439abe ("drm/panel: Add driver for the NEC NL8048HL11 panel")
Reported-by: NH. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007170801.27647-3-laurent.pinchart@ideasonboard.comAcked-by: NSam Ravnborg <sam@ravnborg.org>
Reviewed-by: NSebastian Reichel <sebastian.reichel@collabora.com>