Replace root in suggested configs

Signed-off-by: James Lee <james@codeconstruct.com.au>

Author: SafetyInObscurity

conf/mctpd-dbus.conf

@@ -2,7 +2,7 @@
 <!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
         "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
 <busconfig>
- <policy user="root">
+ <policy user="mctpd">
   <allow own="au.com.codeconstruct.MCTP1"/>
   <allow send_destination="au.com.codeconstruct.MCTP1"/>
   <allow receive_sender="au.com.codeconstruct.MCTP1"/>

conf/mctpd.service

@@ -8,6 +8,8 @@ After=mctp-local.target
 Type=dbus
 BusName=au.com.codeconstruct.MCTP1
 ExecStart=/usr/sbin/mctpd
+User=mctpd
+AmbientCapabilities==CAP_NET_BIND_SERVICE CAP_NET_ADMIN
 
 [Install]
 WantedBy=mctp.target