Add QSPI pin map and indent commented lines

Signed-off-by: fpr <fabien.perroquin@wi6labs.com>

Author: fpr

cores/arduino/stm32/PeripheralPins.h

@@ -68,5 +68,8 @@ extern const PinMap PinMap_CAN_TD[];
 //*** ETHERNET ***
 extern const PinMap PinMap_Ethernet[];
 
+//*** QUADSPI ***
+extern const PinMap PinMap_QUADSPI[];
+
 #endif