qcacld-3.0: Set bit to indicate size of ath_pktlog_hdr

Set 15th bit of flags field of ath_pktlog_hdr to indicate whether
the pktlog hdr size if 12 bytes or 16 bytes.

Change-Id: I58027053c67e749c79f6cec77da1519a9f28a2d2
CRs-Fixed: 1097280

uapi/linux/pktlog_ac_fmt.h

@@ -164,6 +164,7 @@ enum {
 #define PKTLOG_MAX_TXSTATUS_WORDS 32
 #define PKTLOG_MAX_PROTO_WORDS  16
 #define PKTLOG_MAX_RXDESC_WORDS 62
+#define PKTLOG_HDR_SIZE_16      0x8000
 
 struct txctl_frm_hdr {
 	uint16_t framectrl;     /* frame control field from header */