sunxi: Fix build when CONFIG_CMD_PXE or CONFIG_CMD_DHCP are disabled

Fixes a compilation failure with disabled PXE or DHCP command when using
sunxi platform.

Signed-off-by: Ondřej Jirman <megous@megous.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
1 file changed