Integrate meta-seconorth-distro/rtc_overlay_rebase

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@2cc3f539

fng-install:prepare-dt: Replaced loop with find

Fixes SC2044

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@c14d978b

fng-install:post-install: Added comments to scripts

Extended the documentation and comments in the post-install scripts.

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@32b8f0c2

fng-install:rtc: Added RTC detection for the TANARO

The TANARO will be produced with one of two RTC variants.
We detect the RTC by querying the first register during the
post-install and activate one of two devicetree overlays.

BCS 746-000877

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@3a397d44

fng-install:prepare-kernel: Removed i.MX8 specific script

The i.MX8 used a custom post-install script for the prepare-kernel
step. Since the default script has been adopted for the i.MX8, the
custom script is removed.

BCS 746-000877

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@3edf9fc8

fng-install:prepare-image: Added new scripts and clean-up

The new scripts (prepare-overlays and prepare-xml2dto) for the
post-install steps have beend added.
Also wrong indentations have been replaced and the lists have been
sorted.

BCS 746-000414
BCS 746-000877

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@40d7ba85

fng-install:prepare-kernel: Added i.MX8 support

The default prepare-kernel script didn't support the i.MX8.
Tweaked the script, to support the custom requirements of the i.MX8.
The i.MX6 specific parts for the generation of the overlays (from the
shared XML) and the gf_platform detection has been moved to new scripts.

BCS 746-000877

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Commit: seco-ne/yocto/layers/meta-seconorth-distro@5f97c8e6

post-install: Rework and fix of overlay handling

Overlays that have been installed by Yocto are now moved
into /boot/overlays. This is due to the inability of Yocto
to easily handle devicetree overlays during the build.

Overlays that are provided via the parameters of fng-install
(--DTBO) are also placed inside /boot/overlays. Additionally,
they are appended to the overlays variable inside the
overlays.txt file.
The overlays.txt file is parsed during the prepare-kernel
post-install step. The loaded overlays are then applied to
the default devicetree.

BCS 746-000414
BCS 746-000877

default.xml

@@ -21,7 +21,7 @@
     <project name="meta-freescale.git"              revision="5a026be5a6b29a27a7754d7fa5d4765c99f98ed9"  remote="fslc"         path="sources/meta-freescale"            />
     <project name="meta-freescale-distro.git"       revision="5d882cdf079b3bde0bd9869ce3ca3db411acbf3b"  remote="fslc"         path="sources/meta-freescale-distro"     />
     <project name="layers/meta-seconorth-machine"   revision="ea29ffa98cafbde15e921ec9c4cf9e8e87b69be7"  remote="seco-ne"      path="sources/meta-seconorth-machine"    />
-    <project name="layers/meta-seconorth-distro"    revision="f7f2be8ed296fb198634a77d89e24ddd4b29f161"  remote="seco-ne"      path="sources/meta-seconorth-distro"     />
+    <project name="layers/meta-seconorth-distro"    revision="2cc3f5397c55cd7b5bab7ba41ffc052d007b87c0"  remote="seco-ne"      path="sources/meta-seconorth-distro"     />
     <project name="layers/meta-seconorth-nogplv3"   revision="5a168457b30d92fcee544c2700b71d7a6f132724"  remote="seco-ne"      path="sources/meta-seconorth-nogplv3"    />
     <project name="config"                          revision="31555dadba7ae8fb291688b5df25a49ffc4c3b2f"  remote="seco-ne"      path=".conf"                              >
         <linkfile dest="setup-environment" src="setup-environment" />