dde_linux: remove unused WPA supplicant code

Since we use the git repo by now remove all unnecessary ballast like
unused code and the git history. The will bring down the wifi_drv's
src archive to reasonable size again.

repos/dde_linux/ports/dde_linux.hash

@@ -1 +1 @@
-987b3081e335b0063655441c929a86a4627af72f
+4d3a15cd044cf6df2678f60469909d60b419063d

repos/dde_linux/ports/dde_linux.port

@@ -131,6 +131,13 @@ URL(wpa_supplicant) := git://w1.fi/srv/git/hostap.git
 REV(wpa_supplicant) := 25bd4e7beb582509596fe60cb3591e1299f3121b
 DIR(wpa_supplicant) := src/app/wpa_supplicant
 
+# remove unused code and git history from the repo
+_patch: cleanup-wpa
+cleanup-wpa:
+	@for dir in .git doc eap_example hs20 mac80211_hwsim radius_example \
+	            hostapd tests wlantest wpadebug wpaspy; do \
+		rm -rf ${DIR(wpa_supplicant)}/$$dir; done
+
 
 #
 # Firmware images