🐛 SKR Pro boards have DIAG pins (#26399)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Author: ellensp

Marlin/src/pins/pins.h

@@ -318,7 +318,7 @@
   #include "mega/pins_GT2560_REV_B.h"               // ATmega2560                           env:mega2560
 #elif MB(GT2560_V4)
   #include "mega/pins_GT2560_V4.h"                  // ATmega2560                           env:mega2560
-  #elif MB(GT2560_V4_A20)
+#elif MB(GT2560_V4_A20)
   #include "mega/pins_GT2560_V4_A20.h"              // ATmega2560                           env:mega2560
 #elif MB(GT2560_V3_MC2)
   #include "mega/pins_GT2560_V3_MC2.h"              // ATmega2560                           env:mega2560

Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h

@@ -23,7 +23,7 @@
 
 #include "env_validate.h"
 
-#define USES_DIAG_JUMPERS
+#define USES_DIAG_PINS
 
 // If you have the BigTreeTech driver expansion module, enable BTT_MOTOR_EXPANSION
 // https://github.com/bigtreetech/BTT-Expansion-module/tree/master/BTT%20EXP-MOT