libpayload: make wifi calibration table available through sysinfo

The WiFi calibration blob saved in the CBMEM by coreboot needs to be
visible by depthcharge to supply it to the kernel.

BRANCH=storm
BUG=chrome-os-partner:32611
TEST=none yet

Change-Id: I43a857f073a47ca315d400df4c53d5eb38e91601
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 46a649608e6740e07c562c722fadd8c64e264b5f
Original-Change-Id: Iecd8739c9269b58064b3c3275f5376cebcd6804b
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/225506
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8753
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h
index 13a9978..72c2ad8 100644
--- a/payloads/libpayload/include/coreboot_tables.h
+++ b/payloads/libpayload/include/coreboot_tables.h
@@ -199,6 +199,7 @@
 #define CB_TAG_CBMEM_CONSOLE	0x0017
 #define CB_TAG_MRC_CACHE	0x0018
 #define CB_TAG_ACPI_GNVS	0x0024
+#define CB_TAG_WIFI_CALIBRATION	0x0027
 struct cb_cbmem_tab {
 	uint32_t tag;
 	uint32_t size;