common: Move env_get_ip() to net.h

This function relates to networking, so move it out of the common.h
header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2 files changed