Check that the expected winbond Super I/O was found

Corresponding to flashrom svn r1064.

Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/board_enable.c b/board_enable.c
index 940ecb9..9c88f0b 100644
--- a/board_enable.c
+++ b/board_enable.c
@@ -264,6 +264,11 @@
 		msg_perr("\nERROR: No supported Winbond Super I/O found\n");
 		return -1;
 	}
+	if (chip->device_id != chipid) {
+		msg_perr("\nERROR: Found Winbond chip with ID 0x%x, "
+		         "expected %x\n", chip->device_id, chipid);
+		return -1;
+	}
 	if (bit >= 8 || port == 0 || port > chip->gpio_port_count) {
 		msg_perr("\nERROR: winbond_gpio_set: Invalid GPIO number %d\n",
 		         pin);