yanglint CHANGE support different data validation in yanglint
yanglint CHANGE support different data validation in yanglint

libyang allows to change data parser behavior according to the type
of data being parsed, so support it in yanglint.

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