Add MODULE_DEVICE_TABLE() so as to be able to use the driver as a
module. More precisely, for the driver to be loaded automatically at
boot.

Fixes: 1bc95972 ("clk: bcm: Add BCM2711 DVP driver")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20201202103518.21889-1-nsaenzjulienne@suse.deReviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>