schema parsers BUGFIX resolving groupings in submodules
schema parsers BUGFIX resolving groupings in submodules

instead of searching for the grouping from the uses statement up through
the tree, the search directly started in the module's top-level and only
the global groupings were checked.

PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang