[1.1.x] Tweak some SoftPWM code#11368

thinkyhead merged 2 commits intoMarlinFirmware:bugfix-1.1.xMarlinFirmware/Marlin:bugfix-1.1.xfrom

thinkyhead:bf1_pwm_adjustmentsthinkyhead/Marlin:bf1_pwm_adjustmentsCopy head branch name to clipboard