Introduce msg_*warn

Also, unify all outputs of "Warning:" and "Error:" to use normal
capitalization instead of mixing it with all capitals.

Corresponding to flashrom svn r1643.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Idwer Vollering <vidwer@gmail.com>
diff --git a/sst_fwhub.c b/sst_fwhub.c
index a440a20..3dd140e 100644
--- a/sst_fwhub.c
+++ b/sst_fwhub.c
@@ -86,7 +86,7 @@
 	{
 		if (clear_sst_fwhub_block_lock(flash, i))
 		{
-			msg_cdbg("Warning: Unlock Failed for block 0x%06x\n", i);
+			msg_cwarn("Warning: Unlock Failed for block 0x%06x\n", i);
 			ret++;
 		}
 	}