wifi: Add support for wifi time average SAR config

Add support for the WTAS ACPI BIOS configuration table as per the
connectivity document:
559910_Intel_Connectivity_Platforms_BIOS_Guidelines_Rev6_4.pdf

BUG=b:193665559
TEST=Generated SAR file with the WTAS related configuration values and
verified that the SSDT has the WTAS ACPI table.

Change-Id: I42cf3cba7974e6db0e05de30846ef103a15fd584
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57061
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/include/sar.h b/src/include/sar.h
index e8a1b28..f4ee0c5 100644
--- a/src/include/sar.h
+++ b/src/include/sar.h
@@ -5,9 +5,10 @@
 #include <stdint.h>
 
 #define MAX_ANT_GAINS_REVISION	2
+#define MAX_DENYLIST_ENTRY	16
 #define MAX_DSAR_SET_COUNT	3
 #define MAX_GEO_OFFSET_REVISION	3
-#define MAX_PROFILE_COUNT	3
+#define MAX_PROFILE_COUNT	4
 #define MAX_SAR_REVISION	2
 #define REVISION_SIZE		1
 #define SAR_REV0_CHAINS_COUNT	2
@@ -39,6 +40,13 @@
 	uint8_t ppag_table[0];
 } __packed;
 
+struct avg_profile {
+	uint8_t revision;
+	uint8_t tas_selection;
+	uint8_t tas_list_size;
+	uint8_t deny_list_entry[MAX_DENYLIST_ENTRY];
+} __packed;
+
 struct sar_header {
 	char marker[SAR_STR_PREFIX_SIZE];
 	uint8_t version;
@@ -51,6 +59,7 @@
 		struct sar_profile *sar;
 		struct geo_profile *wgds;
 		struct gain_profile *ppag;
+		struct avg_profile *wtas;
 	};
 	void *profile[MAX_PROFILE_COUNT];
 };