net: Fix compiling SPL when fastboot is enabled

When fastboot is enabled in U-Boot proper and SPL_NET is enabled, we will
try to (unsuccessfully) reference it in SPL. Fix these linker errors by
conditioning on SPL_UDP/TCP_FUNCTION_FASTBOOT.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
2 files changed