qcacld-3.0: Increase the BMISS vdev count to 4

Max sta vdev config is increased to 4 for kiwi, increase the related
BMISS max vdev count also to 4.

Change-Id: Ief2543675d2cf7f18ffdafe999f6a967e997b4ef
CRs-Fixed: 3108608

configs/kiwi_defconfig

@@ -10,3 +10,6 @@ CONFIG_CFG_MAX_STA_VDEVS := 4
 
 #Enable 11BE MLO
 CONFIG_WLAN_FEATURE_11BE_MLO := y
+
+#BMISS offload max vdev config
+CONFIG_CFG_BMISS_OFFLOAD_MAX_VDEV := 4