doc: move usermode under references

Move usermode documentation to be under api reference and not under
kernel.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2019-03-25 15:50:40 -04:00
commit 21de8733c6
9 changed files with 1 additions and 1 deletions