aredn: add new mikrotik model string for LHG based devices

new model string: MikroTik RouterBOARD RBLHG-5HPnD

files/www/cgi-bin/perlfunc.pm

@@ -1312,6 +1312,15 @@ sub hardware_info
       'usechains'       => 1,
       'rfband'          => '5800ubntus',
     },
+    'MikroTik RouterBOARD RBLHG-5HPnD' => {
+      'name'            => 'MikroTik RouterBOARD RBLHG-5HPnD',
+      'comment'         => '',
+      'supported'       => '1',
+      'maxpower'        => '28',
+      'pwroffset'       => '0',
+      'usechains'       => 1,
+      'rfband'          => '5800ubntus',
+    },
     'MikroTik RouterBOARD LHG 5HPnD-XL' => {
       'name'            => 'MikroTik RouterBOARD LHG 5HPnD-XL',
       'comment'         => '',

patches/006-add-lhg-5hpnd.patch

@@ -26,7 +26,7 @@ Index: openwrt/target/linux/ar71xx/base-files/etc/diag.sh
 ===================================================================
 --- openwrt.orig/target/linux/ar71xx/base-files/etc/diag.sh
 +++ openwrt/target/linux/ar71xx/base-files/etc/diag.sh
-@@ -378,6 +378,7 @@ get_status_led() {
+@@ -379,6 +379,7 @@ get_status_led() {
  	rb-952ui-5ac2nd|\
  	rb-962uigs-5hact2hnt|\
  	rb-lhg-5nd|\
@@ -52,6 +52,16 @@ Index: openwrt/target/linux/ar71xx/base-files/lib/ar71xx.sh
  	*"LHG 5HPnD-XL")
  		name="rb-lhg-5hpnd-xl"
  		;;
+@@ -565,6 +569,9 @@ mikrotik_board_detect() {
+ 	*"wAPG-5HacT2HnD")
+ 		name="rb-wapg-5hact2hnd"
+ 		;;
++	*"RBLHG-5HPnD")
++		name="rb-lhg-5hpnd"
++		;;
+ 	esac
+ 
+ 	echo "$name"
 Index: openwrt/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
 ===================================================================
 --- openwrt.orig/target/linux/ar71xx/base-files/lib/upgrade/platform.sh