Buildbot suppression rules

The warnings listed in the suppression file will be suppressed
and not flagged during regular buildbot builds.  These warnings
are expected, harmless, and can obscure real issues unless they
are suppressed.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

config/suppressed-warnings.txt

@@ -0,0 +1,6 @@
+#
+# Expected warnings which should be suppressed by buildbot
+#
+None : ^libtool: install: warning: relinking `.*'$
+None : ^libtool: install: warning: remember to run `libtool --finish .*'$
+None : ^libtool: install: warning: `.*' has not been installed in `.*'$