update LCD_PINS_ENABLE to LCD_PINS_EN in pins_RP2040.h#27700

thinkyhead merged 2 commits intoMarlinFirmware:bugfix-2.1.xMarlinFirmware/Marlin:bugfix-2.1.xfrom

ellensp:fix-remaining-LCD_PINS_ENABLEellensp/Marlin:fix-remaining-LCD_PINS_ENABLECopy head branch name to clipboard