Fixing installation path and upgrading to nlohmann 3.0.1

Fixing an issue that popped up in verifying
https://gerrit.openbmc-project.xyz/#/c/8042/
and updating to the latest nlohmann version.

Change-Id: Iaebf924d82f29d4effaf3ef16963633f4dbe8cab
Signed-off-by: David Cobbley <david.j.cobbley@linux.intel.com>
1 file changed