qcacmn: Add support for 6% Transmit power scale

In WMI_HOST_TP_SCALE, add an option to support 6% transmit power scale
configuration.

Change-Id: I11a67f0efd13ba2c7f2d8d546643a1af37f33613
CRs-Fixed: 2936987

wmi/inc/wmi_unified_param.h

@@ -6080,8 +6080,9 @@ typedef enum {
 	WMI_HOST_TP_SCALE_50	= 1,	/* 50% of max (-3 dBm) */
 	WMI_HOST_TP_SCALE_25	= 2,	/* 25% of max (-6 dBm) */
 	WMI_HOST_TP_SCALE_12	= 3,	/* 12% of max (-9 dBm) */
-	WMI_HOST_TP_SCALE_MIN	= 4,	/* min, but still on   */
-	WMI_HOST_TP_SCALE_SIZE   = 5,	/* max num of enum	*/
+	WMI_HOST_TP_SCALE_6	= 4,	/* 6% of max (-12 dBm) */
+	WMI_HOST_TP_SCALE_MIN	= 5,	/* min, but still on   */
+	WMI_HOST_TP_SCALE_SIZE  = 6,	/* max num of enum	*/
 } WMI_HOST_TP_SCALE;
 enum {
 	WMI_HOST_RATEPWR_TABLE_OPS_SET,