libpayload: cros: include mac addresses in coreboot table

Pass MAC addresses found in coreboot table into lib_sysinfo.

BUG=chrome-os-partner:32152
TEST=with all changes in place MAC addresses are properly inserted
     into the kernel device tree.

Change-Id: I6b13c1c2c246362256abce3efa4a97b355647ef8
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e2fe74f86b4ed43eb8a3c9d99055afc5d6fb7b78
Original-Change-Id: I1d0bd437fb27fabd14b9ba1fb5415586cd8847bb
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/219444
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8751
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h
index 1753f6f..1c49f9d 100644
--- a/payloads/libpayload/include/sysinfo.h
+++ b/payloads/libpayload/include/sysinfo.h
@@ -35,6 +35,9 @@
 /* Allow a maximum of 8 GPIOs */
 #define SYSINFO_MAX_GPIOS 8
 
+/* Up to 10 MAC addresses */
+#define SYSINFO_MAX_MACS 10
+
 #include <coreboot_tables.h>
 
 struct cb_serial;
@@ -86,6 +89,8 @@
 #ifdef CONFIG_LP_CHROMEOS
 	int num_gpios;
 	struct cb_gpio gpios[SYSINFO_MAX_GPIOS];
+	int num_macs;
+	struct mac_address macs[SYSINFO_MAX_MACS];
 #endif
 
 	unsigned long *mbtable; /** Pointer to the multiboot table */