meta-harma: add ipmb channels

Harma using /dev/ipmb-14 to communicate with the BIC on debug card.
Add channel and remote-addr information for creating ipmb-channels.json
file.

Tested on Harma:
```
root@harma:~# cat /usr/share/ipmbbridge/ipmb-channels.json
{
    "channels": [
        {
            "type": "ipmb",
            "slave-path": "/dev/ipmb-14",
            "bmc-addr": 32,
            "remote-addr": 96,
            "devIndex": 0
        }
    ]
}
```

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: I8f1fc1e7443d6e3f79346c66f1ce900272863879
diff --git a/meta-facebook/meta-harma/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend b/meta-facebook/meta-harma/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
new file mode 100644
index 0000000..01f0304
--- /dev/null
+++ b/meta-facebook/meta-harma/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
@@ -0,0 +1,6 @@
+IPMB_CHANNELS:harma = "\
+    /dev/ipmb-14 \
+    "
+IPMB_REMOTE_ADDR:harma = "\
+    96 \
+    "