ath6kl: add support for AR6003 2048 byte board file

AR6003 2.1.1 supports both 1792 and 2048 byte board files.
Add support for 2048 byte board file.

kvalo: add ath6kl prefix to the title

Signed-off-by: Prasanna Kumar <kumarpra@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 6183d57..72f1b4f 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -1124,6 +1124,8 @@
 	case TARGET_TYPE_AR6003:
 		board_data_size = AR6003_BOARD_DATA_SZ;
 		board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
+		if (ar->fw_board_len > (board_data_size + board_ext_data_size))
+			board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2;
 		break;
 	case TARGET_TYPE_AR6004:
 		board_data_size = AR6004_BOARD_DATA_SZ;