Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
`nuttx_export_header` for applications global header file export
`nuttx_add_dependencies` is the wrapper to use import
Signed-off-by: xuxin19 <xuxin19@xiaomi.com>