docs: networking: device drivers: can: ctucanfd: update author e-mail

This patch updates the author's email address.

Link: https://lore.kernel.org/all/e4396244da6b008c671def9f50bb983a10389863.1650816929.git.pisa@cmp.felk.cvut.cz
Cc: Odrej Ille <ondrej.ille@gmail.com>
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
[mkl: split into separate patches]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

Documentation/networking/device_drivers/can/ctu/ctucanfd-driver.rst

@@ -536,7 +536,7 @@ CTU CAN FD Driver Sources Reference
 CTU CAN FD IP Core and Driver Development Acknowledgment
 ---------------------------------------------------------
 
-* Odrej Ille <illeondr@fel.cvut.cz>
+* Odrej Ille <ondrej.ille@gmail.com>
 
   * started the project as student at Department of Measurement, FEE, CTU
   * invested great amount of personal time and enthusiasm to the project over years