mx53ard: Initialize return code with error

The variable "rc" is the return of board_eth_init() function. Initialize
it with an error code, so that this function can return an error when
CONFIG_SMC911X is not set.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
1 file changed