Turn i2c_slave_write_stats into a read-only property
Turn i2c_slave_write_stats into a read-only property

Signed-off-by: Sebastian Neuser <fbe6bca7c1535cddfd6d3eae79ef270e500a2bd8@camco.de>

kontron/python-aardvark,hthiery/python-aardvark