T5949: Add option to disable USB autosuspend

(cherry picked from commit c0b2693)

data/templates/system/40_usb_autosuspend.j2

@@ -0,0 +1,5 @@
+{% set autosuspend = "auto" %}
+{% if disable_usb_autosuspend is vyos_defined %}
+{%     set autosuspend = "on" %}
+{% endif %}
+ACTION=="add", SUBSYSTEM=="usb", TEST=="power/control", ATTR{power/control}="{{ autosuspend }}"

interface-definitions/system_option.xml.in

@@ -183,6 +183,12 @@
             </properties>
             <defaultValue>12-hour</defaultValue>
            </leafNode>
+           <leafNode name="disable-usb-autosuspend">
+            <properties>
+              <help>Disable autosuspend for all USB devices</help>
+              <valueless/>
+            </properties>
+           </leafNode>
         </children>
       </node>
     </children>

src/conf_mode/system_option.py

@@ -35,6 +35,7 @@
 curlrc_config = r'/etc/curlrc'
 ssh_config = r'/etc/ssh/ssh_config.d/91-vyos-ssh-client-options.conf'
 systemd_action_file = '/lib/systemd/system/ctrl-alt-del.target'
+usb_autosuspend = r'/etc/udev/rules.d/40-usb-autosuspend.rules'
 time_format_to_locale = {
     '12-hour': 'en_US.UTF-8',
     '24-hour': 'en_GB.UTF-8'
@@ -85,6 +86,7 @@ def verify(options):
 def generate(options):
     render(curlrc_config, 'system/curlrc.j2', options)
     render(ssh_config, 'system/ssh_config.j2', options)
+    render(usb_autosuspend, 'system/40_usb_autosuspend.j2', options)
 
     cmdline_options = []
     if 'kernel' in options:
@@ -155,6 +157,9 @@ def apply(options):
         time_format = time_format_to_locale.get(options['time_format'])
         cmd(f'localectl set-locale LC_TIME={time_format}')
 
+    cmd('udevadm control --reload-rules')
+
+
 if __name__ == '__main__':
     try:
         c = get_config()