dcmi: asset-tag: Implement the Get Asset Tag command

Change-Id: Ic2fb1e707174ece63fbb758bf1422c2c4d95723b
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/host-ipmid-whitelist.conf b/host-ipmid-whitelist.conf
index d921145..98353c2 100644
--- a/host-ipmid-whitelist.conf
+++ b/host-ipmid-whitelist.conf
@@ -25,3 +25,4 @@
 0x0C:0x02    //<Transport>:<Get LAN Configuration Parameters>
 0x2C:0x00    //<Group Extension>:<Group Extension Command>
 0x2C:0x03    //<Group Extension>:<Get Power Limit>
+0x2C:0x06    //<Group Extension>:<Get Asset Tag>