clk: bcm: dvp: Add missing module informations

The driver for the DVP controller in the BCM2711 was missing the MODULE_*
macros resulting in a modpost warning at compilation.

Fixes: 1bc95972 ("clk: bcm: Add BCM2711 DVP driver")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200626112513.90816-1-maxime@cerno.tech


Signed-off-by: Stephen Boyd <sboyd@kernel.org>