2um version of sxlib using ALU2 for metal-1.
Design rules are vtc200, adapted from vsc200 for the
different use of ALU2.

DREAL_TECHNO_NAME=/usr/share/pharosc/alliance/etc/t200.dreal
GRAAL_TECHNO_NAME=/usr/share/pharosc/alliance/etc/t.graal
RDS_TECHNO_NAME=/usr/share/pharosc/alliance/etc/vtc200.rds
