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/chipset_enable.c b/chipset_enable.c
index 0dc1d7e..1e2df21 100644
--- a/chipset_enable.c
+++ b/chipset_enable.c
@@ -300,11 +300,11 @@
 	msg_pdbg("BIOS Lock Enable: %sabled, ", (new & (1 << 1)) ? "en" : "dis");
 	msg_pdbg("BIOS Write Enable: %sabled\n", (new & (1 << 0)) ? "en" : "dis");
 	if (new & (1 << 5))
-		msg_pinfo("WARNING: BIOS region SMM protection is enabled!\n");
+		msg_pwarn("Warning: BIOS region SMM protection is enabled!\n");
 
 
 	if (new != wanted)
-		msg_pinfo("WARNING: Setting Bios Control at 0x%x from 0x%02x to 0x%02x on %s failed.\n"
+		msg_pwarn("Warning: Setting Bios Control at 0x%x from 0x%02x to 0x%02x on %s failed.\n"
 			  "New value is 0x%02x.\n", bios_cntl, old, wanted, name, new);
 
 	/* Return an error if we could not set the write enable */
@@ -661,7 +661,7 @@
 	rpci_write_byte(dev, 0x40, val);
 
 	if (pci_read_byte(dev, 0x40) != val) {
-		msg_pinfo("\nWARNING: Failed to enable flash write on \"%s\"\n", name);
+		msg_pwarn("\nWarning: Failed to enable flash write on \"%s\"\n", name);
 		return -1;
 	}
 
@@ -1516,7 +1516,7 @@
 		if (!dev)
 			continue;
 		if (ret != -2) {
-			msg_pinfo("WARNING: unexpected second chipset match: "
+			msg_pwarn("Warning: unexpected second chipset match: "
 				    "\"%s %s\"\n"
 				  "ignoring, please report lspci and board URL "
 				    "to flashrom@flashrom.org\n"