meta-facebook: fix remote-addr type in ipmb-channels.json

ipmbbridged only allow remote-addr as integer.
Convert remote-addr from string to integer.

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
        }
    ]
}
root@harma:~# systemctl status ipmb
* ipmb.service - IPMB bridge
     Loaded: loaded (/usr/lib/systemd/system/ipmb.service; enabled; preset: enabled)
     Active: active (running) since Thu 2024-01-04 22:54:48 PST; 1h 3min ago
   Main PID: 425 (ipmbbridged)
        CPU: 4.887s
     CGroup: /system.slice/ipmb.service
             `-425 /usr/bin/ipmbbridged

Jan 04 22:54:48 harma systemd[1]: Started IPMB bridge.
```

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: I9823d3e6d219737c6426880d1a9fbaa407cd9c75
diff --git a/meta-facebook/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend b/meta-facebook/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
index e072332..5bf23d1 100644
--- a/meta-facebook/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
+++ b/meta-facebook/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
@@ -14,7 +14,7 @@
             "type": "ipmb",
             "slave-path": ipmb_channel[i],
             "bmc-addr": 32,
-            "remote-addr": ipmb_remote_addr[i] if i < len(ipmb_remote_addr) else 64,
+            "remote-addr": int(ipmb_remote_addr[i]) if i < len(ipmb_remote_addr) else 64,
             "devIndex": i
         })