Wifi: Add athdiag for factory build

athdiag is the tool to read OTP data

Bug: 225811587
Test: Build pass and it's tested well by HW RF
Change-Id: I2409dcad2ce1d2959ac10598395a67882f0bc75d
diff --git a/factory_lynx.mk b/factory_lynx.mk
index b456ceb..c37eaf2 100644
--- a/factory_lynx.mk
+++ b/factory_lynx.mk
@@ -35,3 +35,4 @@
 
 # Factory binaries of wifi
 PRODUCT_PACKAGES += myftm
+PRODUCT_PACKAGES += athdiag