can: etas_es58x: Fix a couple of spelling mistakes

There are spelling mistakes in netdev_dbg and netdev_dbg messages,
fix these.

Link: https://lore.kernel.org/r/20210415113050.1942333-1-colin.king@canonical.com


Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>