Enable EAP-PWD support in wpa_supplicant.

EAP-pwd (RFC 5931) is an EAP method that uses a shared password for authentication. It has the
simplicity of configuring WPA2-PSK, but comes with the strong authentication of 802.1x.

Change-Id: Ife5b96f61422921a3b3830da16227cca8154e2d3
Signed-off-by: Partha N <parthan@gmail.com>
diff --git a/wpa_supplicant/.config b/wpa_supplicant/.config
index b234de8..14e509f 100644
--- a/wpa_supplicant/.config
+++ b/wpa_supplicant/.config
@@ -200,6 +200,9 @@
 # EAP-IKEv2
 #CONFIG_EAP_IKEV2=y
 
+# EAP-PWD
+CONFIG_EAP_PWD=y
+
 # PKCS#12 (PFX) support (used to read private key and certificate file from
 # a file that usually has extension .p12 or .pfx)
 CONFIG_PKCS12=y