meta-bletchley: add bletchley-net-util

Add bletchley-net-util for link status checking and port registers
dumping.

Test results:

- show link status
```
root@bmc:~# bletchley-net-util --link-st
========================================
Link Status
========================================
Switch:
  Port 10 (BMC): up
  Port 3 (SLED1): down
  Port 2 (SLED2): down
  Port 1 (SLED3): down
  Port 7 (SLED4): up
  Port 6 (SLED5): down
  Port 5 (SLED6): down

Retimer:
  Inner Port (XFI): up
  Outer Port (SFI): up
========================================
```

- show port registers dumping
```
root@bmc:~# bletchley-net-util --port-reg-dump
========================================
Port 10 (BMC)
****************************************
[00]: 0F4D
[01]: 0003
...
[1E]: 0000
[1F]: 005D
========================================

========================================
Port 3 (SLED1)
****************************************
[00]: 100F
[01]: 0003
...
[1E]: 0000
[1F]: 0000
========================================

========================================
Port 2 (SLED2)
****************************************
[00]: 100F
[01]: 0003
...
[1E]: 0000
[1F]: 0000
========================================

========================================
Port 1 (SLED3)
****************************************
[00]: 100F
[01]: 0003
...
[1E]: 0000
[1F]: 0000
========================================

========================================
Port 7 (SLED4)
****************************************
[00]: DE4F
[01]: 0003
...
[1E]: 0000
[1F]: 0166
========================================

========================================
Port 6 (SLED5)
****************************************
[00]: 100F
[01]: 0003
...
[1E]: 0000
[1F]: 0000
========================================

========================================
Port 5 (SLED6)
****************************************
[00]: 100F
[01]: 0003
...
[1E]: 0000
[1F]: 0000
========================================
```

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: Ic4464c0b466b4d6c02246d013fc4d99ca857cbdc
diff --git a/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/bletchley-common-tool_0.1.bb b/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/bletchley-common-tool_0.1.bb
index 3b7ba82..afe3791 100644
--- a/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/bletchley-common-tool_0.1.bb
+++ b/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/bletchley-common-tool_0.1.bb
@@ -10,6 +10,7 @@
     file://bletchley-system-state-init \
     file://bletchley-system-state-init@.service \
     file://bletchley-usbmux-util \
+    file://bletchley-net-util \
     "
 
 do_install() {
@@ -18,6 +19,7 @@
 
     install -d ${D}${bindir}
     install -m 0755 ${WORKDIR}/bletchley-usbmux-util ${D}${bindir}
+    install -m 0755 ${WORKDIR}/bletchley-net-util ${D}${bindir}
 }