[rdkb][mt7986][app][Refactor hostapd service]

[Description]
Refactor hostapd service
1. move mac80211.sh from init-filogic to hostapd, and will run before hostapd.service
2. refactor hostapd-init.sh, it will accroding to uci wireless config to gen config and bring up interface
3. remove unused hostapd config, such like hostapd-bhaul2G.conf
4. separate init brlan0 part from hostapd-init.sh and create init-Lanbridge.service to handle

[Release-log]

diff --git a/recipes-connectivity/hostapd/files/hostapd-5G.conf b/recipes-connectivity/hostapd/files/hostapd-5G.conf
index 59a2d07..cca996e 100644
--- a/recipes-connectivity/hostapd/files/hostapd-5G.conf
+++ b/recipes-connectivity/hostapd/files/hostapd-5G.conf
@@ -66,7 +66,7 @@
 utf8_ssid=1
 multi_ap=0
 auth_algs=1
-ssid=Filogic_5
+ssid=Filogic_5g
 bridge=brlan0
 wds_bridge=
 snoop_iface=brlan0
@@ -77,7 +77,7 @@
 wpa=2
 wpa_pairwise=CCMP
 wpa_key_mgmt=WPA-PSK
-wpa_passphrase=rdk@1234
+wpa_passphrase=12345678
 #WPS configuration lines, but WPS disabled by default
 wps_state=0
 ap_setup_locked=1