NPU samples were reworked in the new X-LINUX-AI v6.0.0 release from the
meta-st-x-linux-ai layer. This commit updates the Digi customizations to align
with the new NPU sample files.
https://onedigi.atlassian.net/browse/DEL-9419
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>