kobs-ng: Mark as nonshared to build in step 1
Mark the package as nonshared to build it in the target specific build
step 1 of the build bots instead of the architecture generic build step
2. In the build step 2 it may be left out if we build it using a
different target.
Fixes: 1eb21b87bdd6 ("kobs-ng: add new package")
Link: https://github.com/openwrt/openwrt/pull/16031
Signed-off-by: Hauke Mehrtens <[email protected]>
Hauke Mehrtens