Makefile: Trigger a Warning if DEPRECATED is defined

If configured target has deprecated configs enabled, trigger a warning
about this.

Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
[trini: Change from BROKEN to DEPRECATED]
Signed-off-by: Tom Rini <trini@konsulko.com>
1 file changed