Fix several -Wold-style-declaration warnings

Change-Id: Iffe5e652779a13ee7f64696fb5df4a781fe9a632
Signed-off-by: Richard Hughes <richard@hughsie.com>
Reviewed-on: https://review.coreboot.org/c/30404
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/board_enable.c b/board_enable.c
index 9d45813..00809f7 100644
--- a/board_enable.c
+++ b/board_enable.c
@@ -2585,7 +2585,7 @@
  * Match boards on PCI IDs and subsystem IDs.
  * Second set of IDs can be either main+subsystem IDs, main IDs or no IDs.
  */
-const static struct board_match *board_match_pci_ids(enum board_match_phase phase)
+static const struct board_match *board_match_pci_ids(enum board_match_phase phase)
 {
 	const struct board_match *board = board_matches;