v2.1.2.2.swx2-fd.01

What's Changed

• Marlin 2.1.2.2 by @freakydude in #10
• Enabled PID Bed Heating instead of bang-bang
• Switched to FAN_SOFT_PWM

Full Changelog: v2.1.2.1.swx2-fd.01...v2.1.2.2.swx2-fd.01