linux-phytec-fsl

drm/i2c: tda998x: fix lack of required reg in DT documentation

The I2C address (reg) is required for the TDA998x driver to be loaded
and initialized.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>