buildroot

wpa_supplicant: add fix for WPS NFC support

WPS NFC support wouldn't build properly unless AP mode was enabled.
Add upstream fix to correct this and enable NFC support.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>