video: meson: Drop unnecessary header includes

These files should not be included in meson header files. Drop them and
tidy up the affected C files.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
8 files changed