MAINTAINERS: fix Analog Devices links

The forum link for the Analog Devices linux drivers has changed.

Fix the links to redirect to the correct forum subsection.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20220103104412.81247-1-antoniu.miclaus@analog.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>