i3c: mipi-i3c-hci: Add MODULE_ALIAS

Add MODULE_ALIAS() in order to be able to autoload this driver when the
device is added as a platform device from another glue code driver.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20230921055704.1087277-3-jarkko.nikula@linux.intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>