Integrate meta-seconorth-machine/rtk-bt-init-service

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Commit: seco-ne/yocto/layers/meta-seconorth-machine@4e7c28a8

Add service for bluetooth initialization

Add a script to configure bluetooth and corresponding systemd service.
The script brings-up bluetooth interface and make it discoverable via
hciconfig tool.
For Tanaro boards it's also needed to call rtk_hciattach tool before hcitool.

The service is disabled by default, to run it with system start use command:
systemctl enable bluetooth-init

default.xml

@@ -28,7 +28,7 @@
     <project name="meta-mediatek-bsp.git"           revision="048e2981c96b0e93896d540c53b789f8c93c7e6e"  remote="rity"         path="sources/meta-mediatek-bsp"         />
     <project name="meta-rity.git"                   revision="bc2393cf3c26a3db6da719a5e05d517c6fe01e6c"  remote="rity"         path="sources/meta-rity"                 />
     <project name="meta-rauc.git"                   revision="804386f04826ea7fe74a1b4e0a20991425c06d9c"  remote="rauc"         path="sources/meta-rauc"                 />
-    <project name="layers/meta-seconorth-machine"   revision="9ed773a3e227901d521d2b9a1ef46f143b731742"  remote="seco-ne"      path="sources/meta-seconorth-machine"    />
+    <project name="layers/meta-seconorth-machine"   revision="4e7c28a8e54e436ce68fc1f4e6a649308bed28cd"  remote="seco-ne"      path="sources/meta-seconorth-machine"    />
     <project name="layers/meta-seconorth-mtk"       revision="7171ca3ec1df62e24fab749157012812bd40e7b6"  remote="seco-ne"      path="sources/meta-seconorth-mtk"        />
     <project name="layers/meta-seconorth-distro"    revision="2aa3116c57c9ff47b4da40d4740f6624029c0872"  remote="seco-ne"      path="sources/meta-seconorth-distro"     />
     <project name="layers/meta-seconorth-nogplv3"   revision="6364f29dacd324b098c9e65cb16db6d6995e2024"  remote="seco-ne"      path="sources/meta-seconorth-nogplv3"    />