Hardware is a Technical Skill, which is an Active Skill, but not a Physical Active Skill (which is another subset of Active Skills).
However, the book says "physical active skills", not "Physical Active Skills". It defines that as basically all non-Magic/Resonance Active skills. So Combat Skills, Physical Active Skills, Social Skills and Technical Skills are all skillwireable under that formulation, which is a bit weird since 'physical active'/'muscle memory' and hacking/etiquette don't really combine. On the other hand, "Physical Active Skill" would exclude Combat Skills.
I am uncertain about intent, not sure what SR4 wrote about this.