Add a bunch of new/tested stuff and various small changes 15

Tested Mainboards:
OK:
 - Foxconn P55MX
   http://www.flashrom.org/pipermail/flashrom/2012-October/010002.html

Tested flash chips:
 - Eon EN25F64 to PR (+PR)
   http://paste.flashrom.org/view.php?id=1426
 - Macronix MX25L1005 to PREW (+PREW)
   http://www.flashrom.org/pipermail/flashrom/2012-October/010004.html
 - Set SST39VF512 to PREW (+W)
   http://www.flashrom.org/pipermail/flashrom/2012-September/009958.html

Tested chipsets:
 - Z77 (only reading was really tested)

Miscellaneous:
 - Fix ft2232_spi's parameter parsing.
 - Fix nicrealtek's init (always segfaulted since r1586 oops).
 - Add another T60 variant to the laptop whitelist.
 - Improve message shown when image file size does not match flash chip
 - Refine messages regarding the flash descriptor override strap according
   to the findings by Vladislav Bykov on his P55MX.
 - Fix the ID of EN25F64.
 - Demote and clarify debug message in serprog_delay().
 - Minor other cleanups.

Corresponding to flashrom svn r1613.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/ft2232_spi.c b/ft2232_spi.c
index 31a6c5c..c09405e 100644
--- a/ft2232_spi.c
+++ b/ft2232_spi.c
@@ -271,11 +271,11 @@
 			channel_count = -1;
 			break;
 		}
-	}
-	if (channel_count < 0 || strlen(arg) != 1) {
-		msg_perr("Error: Invalid channel/port/interface specified: \"%s\".\n", arg);
-		free(arg);
-		return -2;
+		if (channel_count < 0 || strlen(arg) != 1) {
+			msg_perr("Error: Invalid channel/port/interface specified: \"%s\".\n", arg);
+			free(arg);
+			return -2;
+		}
 	}
 	free(arg);