meta-facebook: minerva: Modify fan fault member

Summary:
Modify the members of fan fault group to two LEDs.

Tested:
- Assert/de-assert the fan fault led-manager and check the led
```
root@bmc:~# cat /sys/class/leds/fan_status_led/brightness
0
root@bmc:~# cat /sys/class/leds/fan_fault_led_n/brightness
0
root@bmc:~# busctl set-property xyz.openbmc_project.LED.GroupManager /xyz/openbmc_project/led/groups/fan_fault xyz.openbmc_project.Led.Group Asserted b true
root@bmc:~# cat /sys/class/leds/fan_status_led/brightness
1
root@bmc:~# cat /sys/class/leds/fan_fault_led_n/brightness
1
root@bmc:~# busctl set-property xyz.openbmc_project.LED.GroupManager /xyz/openbmc_project/led/groups/fan_fault xyz.openbmc_project.Led.Group Asserted b false
root@bmc:~# cat /sys/class/leds/fan_status_led/brightness
0
root@bmc:~# cat /sys/class/leds/fan_fault_led_n/brightness
0
```

Change-Id: Ie6da366fffa8b39604d24c0d7fabadb3d79d16ed
Signed-off-by: Yi-Shum <EasonChen1@quantatw.com>
diff --git a/meta-facebook/meta-minerva/recipes-phosphor/leds/phosphor-led-manager/led-group-config.json b/meta-facebook/meta-minerva/recipes-phosphor/leds/phosphor-led-manager/led-group-config.json
index 87e510d..53f6cba 100644
--- a/meta-facebook/meta-minerva/recipes-phosphor/leds/phosphor-led-manager/led-group-config.json
+++ b/meta-facebook/meta-minerva/recipes-phosphor/leds/phosphor-led-manager/led-group-config.json
@@ -36,11 +36,14 @@
             "group": "fan_fault",
             "members": [
                 {
-                    "Name": "fan_fault_amber",
+                    "Name": "fan_status_led",
+                    "Action": "On"
+                },
+                {
+                    "Name": "fan_fault_led_n",
                     "Action": "On"
                 }
             ]
         }
-
     ]
 }