imx-6.6.23-2.0.0: meta-variscite-sdk-imx: Update to latest

Fix invalid commit ID for meta-variscite-sdk-imx introduced in f5b1c04.

Include the following:
varigit/meta-variscite-sdk-imx@880f0597e21b packagegroup-fsl-tools-testapps: Remove packagegroup-nxp-openthread
varigit/meta-variscite-sdk-imx@a47c082f3230 [RND-2329] psplash: Disable startup message
varigit/meta-variscite-sdk-imx@350f79528946 packagegroup-variscite-imx: add devmem2 package

Signed-off-by: Alifer Moraes <alifer.m@variscite.com>

imx-6.6.23-2.0.0.xml

@@ -45,7 +45,7 @@
   <project name="meta-variscite-bsp-imx"     path="sources/meta-variscite-bsp-imx"     remote="variscite"   revision="6be87eb1b0590c83c6f1919bad770169338c31c9" upstream="scarthgap_6.6.23-2.0.0_var01"/>
   <project name="meta-variscite-hab"         path="sources/meta-variscite-hab"         remote="variscite"   revision="c07e5a34c3d4375b01b3df349532f7aebfb32a31" upstream="scarthgap_6.6.23-2.0.0_var01"/>
   <project name="meta-variscite-sdk-common"  path="sources/meta-variscite-sdk-common"  remote="variscite"   revision="507269b8cb28367c04e2939bb5c8648c8cf8877b" upstream="scarthgap_6.6.23-2.0.0_var01"/>
-  <project name="meta-variscite-sdk-imx"     path="sources/meta-variscite-sdk-imx"     remote="variscite"   revision="34978422d79feca08df0b0e3fab344c00358d620" upstream="scarthgap_6.6.23-2.0.0_var01">
+  <project name="meta-variscite-sdk-imx"     path="sources/meta-variscite-sdk-imx"     remote="variscite"   revision="880f0597e21b301a93c6c22dbedab204ba6332f7" upstream="scarthgap_6.6.23-2.0.0_var01">
     <linkfile src="scripts/var-setup-release.sh" dest="var-setup-release.sh"/>
   </project>
   <project name="variscite-bsp-base"         path="sources/base"                       remote="variscite"   revision="34ecb086784cd8dcae25db9f3adf4cfbe19491f1" upstream="scarthgap_6.6.23-2.0.0_var01">