staging: r8188eu: convert dump_chip_info() to use netdev_dbg()

Drivers should not spam the kernel log if they work properly. Convert
the dump_chip_info() function to use netdev_dbg() instead of pr_info()
so that developers can still enable it if they want to see this
information.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220730150637.3550-2-straube.linux@gmail.com


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