Refine messages of SPI block protection disables

Make them real progress indicators with a final "done" message on success.

Corresponding to flashrom svn r1561.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/spi25.c b/spi25.c
index 3693783..900df9c 100644
--- a/spi25.c
+++ b/spi25.c
@@ -933,10 +933,10 @@
 	if ((status & 0x3c) == 0)
 		return 0;
 
-	msg_cdbg("Some block protection in effect, disabling\n");
+	msg_cdbg("Some block protection in effect, disabling... ");
 	result = spi_write_status_register(flash, status & ~0x3c);
 	if (result) {
-		msg_cerr("spi_write_status_register failed\n");
+		msg_cerr("spi_write_status_register failed.\n");
 		return result;
 	}
 	status = spi_read_status_register(flash);
@@ -944,6 +944,7 @@
 		msg_cerr("Block protection could not be disabled!\n");
 		return 1;
 	}
+	msg_cdbg("done.\n");
 	return 0;
 }