The vendor has introduced two new revisions with slightly different
memory maps; update the driver to support them.

Fixes: dd24e202 ("Input: iqs7222 - add support for Azoteq IQS7222D")
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/ZelTRYX3fenMQuhF@nixie71Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>