MAINTAINERS: add maintainer entry for TDA998x driver

Add a maintainers entry for the TDA998x driver.  Rob Clark has handed
this driver over to me to look after.

Acked-by: Rob Clark <[email protected]>
Signed-off-by: Russell King <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
1 file changed