uio: uio_netx: use devm_kzalloc() for or uio_info object

This change uses the devm_kzalloc() function to tie the life-time of the
uio_info object to PCI device. This cleans up the exit & error path a bit.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201120084207.50736-3-alexandru.ardelean@analog.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>