Tom Hochstein f9c9e7a448 nlohmann-json: Allow empty main package for SDK
The header-only package cannot be included in the SDK without marking
the main package with ALLOW_EMPTY.

Fixes rootfs problem:
```
The following packages have unmet dependencies:
 imx-gpu-sdk : Depends: nlohmann-json but it is not installable
E: Unable to correct problems, you have held broken packages.
```

Signed-off-by: Tom Hochstein <tom.hochstein@nxp.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
2023-02-09 15:56:25 -08:00
..