arm: mvebu: Minor fixes in the AXP / A38x SERDES code

- Fix spelling error of SERDES_VERSION
- Remove superfluous definition of this macro
- Remove unnecessary include of i2c.h

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Stefan Roese <sr@denx.de>
4 files changed