Add undersigned as a maintainer for IIO GTS helper's KUnit tests.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/52c66fe2798192529738ac2ab98a27230a6ad8cd.1705328293.git.mazziesaccount@gmail.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>