MAINTAINERS: Add an entry for the LJCA drivers

Add a MAINTAINERS entry for the Intel La Jolla Cove Adapter (LJCA) set of
drivers.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241011070414.3124-1-sakari.ailus@linux.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>