LEDS: Add LampTest group containing all the LEDs

LampTest currently expects all the LEDs to be blinking.
This change is for Barreleye and Palmetto.

Change-Id: I78573124f312195d250b4feebf4cb77249cc1c74
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/meta-palmetto/recipes-phosphor/leds/palmetto-led-manager-config/led.yaml b/meta-palmetto/recipes-phosphor/leds/palmetto-led-manager-config/led.yaml
index 7321c21..c9ba555 100755
--- a/meta-palmetto/recipes-phosphor/leds/palmetto-led-manager-config/led.yaml
+++ b/meta-palmetto/recipes-phosphor/leds/palmetto-led-manager-config/led.yaml
@@ -18,3 +18,16 @@
         Action: 'Blink'
         DutyOn: 50
         Period: 1000
+LampTest:
+    heartbeat:
+        Action: 'Blink'
+        DutyOn: 50
+        Period: 1000
+    identify:
+        Action: 'Blink'
+        DutyOn: 50
+        Period: 1000
+    power:
+        Action: 'Blink'
+        DutyOn: 50
+        Period: 1000