arm: omap2: add missing #include <netdev.h>

emac.c implements cpu_eth_init() so it needs to pull the corresponding
header file.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
1 file changed