MAINTAINERS: add me as maintainer for the gpio sloppy logic analyzer

This was forgotten when the analyzer went upstream.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20250424212234.5313-2-wsa+renesas@sang-engineering.com


Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>