Fix MKS SGEN_L pin assignment on EXP2#19369

thinkyhead merged 1 commit intoMarlinFirmware:bugfix-2.0.xMarlinFirmware/Marlin:bugfix-2.0.xfrom

sjasonsmith:PR/SGEN_L_PIN_ASSIGNMENTsjasonsmith/Marlin:PR/SGEN_L_PIN_ASSIGNMENTCopy head branch name to clipboard