arch/Kconfig: Remove stray tab from USERSPACE help

Commit removes stray tab from help.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
This commit is contained in:
Dominik Ermel 2021-07-15 10:08:48 +00:00 committed by Anas Nashif
commit 86a1252556