Shorten some board enable related function names

Corresponding to flashrom svn r1424.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/flashrom.c b/flashrom.c
index d897ac7..c9d1e61 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -1731,7 +1731,7 @@
 		msg_gerr("Chipset enables table does not exist!\n");
 		ret = 1;
 	}
-	if (board_pciid_enables == NULL) {
+	if (board_matches == NULL) {
 		msg_gerr("Board enables table does not exist!\n");
 		ret = 1;
 	}