bug: fixed return unit of DOS from tbtncSile
bug: fixed return unit of DOS from tbtncSile

The DOS return units were in /Ry, now they are correctly returned in
/eV

Signed-off-by: Nick Papior <81a73bca3d342ffee33d7cf845fdbf77b6553831@gmail.com>

zerothi/sisl,zerothi/sisl