[Add WiFi HAL 3.0 flag enable]

[Description]
Add WiFi HAL 3.0 flag enable

[Release-log]
N/A

diff --git a/recipes-ccsp/hal/hal-wifi-cfg80211_git.bbappend b/recipes-ccsp/hal/hal-wifi-cfg80211_git.bbappend
index c9cdcbe..b9a1361 100644
--- a/recipes-ccsp/hal/hal-wifi-cfg80211_git.bbappend
+++ b/recipes-ccsp/hal/hal-wifi-cfg80211_git.bbappend
@@ -17,3 +17,4 @@
 }
 addtask mtk_patches after do_unpack before do_compile
 
+CFLAGS_append = " -DWIFI_HAL_VERSION_3"