recipes-connectivity: add hostapd functionality

Do not autostart hostapd daemon on boot because because it will conflict with
wpa-supplicant process and add a custom hostapd.conf file with WPA2-AES
encryption.

https://jira.digi.com/browse/DEL-2913

Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>

meta-digi-dey/recipes-connectivity/hostapd/hostapd-2.4/hostapd.conf

@@ -0,0 +1,17 @@
+ctrl_interface=/var/run/hostapd
+ctrl_interface_group=0
+interface=wlan0
+driver=nl80211
+
+# WPA2-AES encryption
+channel=5
+ssid=ap-wpa2aes
+auth_algs=1
+wpa=2
+wpa_key_mgmt=WPA-PSK
+wpa_pairwise=CCMP
+wpa_passphrase=password-wpa2aes
+
+# OPEN encryption example, remove WPA2-AES setup
+# channel=1
+# ssid=ap-open

meta-digi-dey/recipes-connectivity/hostapd/hostapd_2.4.bbappend

@@ -5,5 +5,14 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${BP}:"
 # The recipe uses a different "$S" directory so point the patch to the hostapd
 # tarball directory.
 SRC_URI_append_ccimx6ul = " file://fix_num_probereq_cb_clearing.patch;patchdir=.."
+SRC_URI += "file://hostapd.conf"
+
+do_install_append() {
+	# Overwrite the default hostapd.conf with our custom file
+	install -m 0644 ${WORKDIR}/hostapd.conf ${D}${sysconfdir}/hostapd.conf
+}
+
+# Do not autostart hostapd daemon, it will conflict with wpa-supplicant.
+INITSCRIPT_PARAMS = "remove"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"