MAINTAINERS: add myself as maintainer for enetc

I would like to be copied on new patches submitted on this driver.
I am relatively familiar with the code, having practically maintained
it for a while.

Signed-off-by: Vladimir Oltean <[email protected]>
Acked-by: Claudiu Manoil <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: vladimiroltean

MAINTAINERS

@@ -8159,6 +8159,7 @@ F:	include/linux/spi/spi-fsl-dspi.h
 
 FREESCALE ENETC ETHERNET DRIVERS
 M:	Claudiu Manoil <[email protected]>
+M:	Vladimir Oltean <[email protected]>
 L:	[email protected]
 S:	Maintained
 F:	drivers/net/ethernet/freescale/enetc/