Integrate meta-seconorth-machine/set_working_dir

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Commit: seco-ne/yocto/layers/meta-seconorth-machine@0f679e90

bootscript: Set build directory to working directory

The bootscripts need to be extended in a custom layer.
To make the customization easier, we move the build directory to the
working directory.

default.xml

@@ -21,7 +21,7 @@
     <project name="meta-qt5.git"                    revision="5b71df60e523423b9df6793de9387f87a149ac42"  remote="qt5-github"   path="sources/meta-qt5"                  />
     <project name="meta-freescale.git"              revision="dd98526300937450d741c9b3403799632f417226"  remote="fslc"         path="sources/meta-freescale"            />
     <project name="meta-freescale-distro.git"       revision="fc15f5003043da23212596be7366ae2547c308ad"  remote="fslc"         path="sources/meta-freescale-distro"     />
-    <project name="layers/meta-seconorth-machine"   revision="d87f2c9f8fedce1116be36c33bd88616ec65f98a"  remote="seco-ne"      path="sources/meta-seconorth-machine"    />
+    <project name="layers/meta-seconorth-machine"   revision="0f679e905e47fe04ea0c3373724fc4cc475f87b4"  remote="seco-ne"      path="sources/meta-seconorth-machine"    />
     <project name="layers/meta-seconorth-distro"    revision="7f37be858546fcb8fd830d42e9bd0e320595604d"  remote="seco-ne"      path="sources/meta-seconorth-distro"     />
     <project name="layers/meta-seconorth-nogplv3"   revision="df1cad973746455b60715b73758fbe9efe80e57d"  remote="seco-ne"      path="sources/meta-seconorth-nogplv3"    />
     <project name="config"                          revision="e055264027aa5f3621d6d4e6c11ce88b252efcd0"  remote="seco-ne"      path=".conf"                              >