fix:Modify master sensitive words

Signed-off-by: Nwangyipeng <wangyipeng11@huawei.com>

services/etc/group

@@ -47,7 +47,7 @@ access_token:x:3020:
 blue_host:x:3021:
 sample_host:x:3022:
 usb_host:x:3023:shell
-usbfnMaster_host:x:3024:
+usbfn_host:x:3024:
 power_host:x:3025:
 wifi_host:x:3026:
 audio_hdi_server_host:x:3027:

services/etc/passwd

@@ -43,7 +43,7 @@ access_token:x:3020:3020:::/bin/false
 blue_host:x:3021:3021:::/bin/false
 sample_host:x:3022:3022:::/bin/false
 usb_host:x:3023:3023:::/bin/false
-usbfnMaster_host:x:3024:3024:::/bin/false
+usbfn_host:x:3024:3024:::/bin/false
 power_host:x:3025:3025:::/bin/false
 wifi_host:x:3026:3026:::/bin/false
 audio_hdi_server_host:x:3027:3027:::/bin/false