Add support for ISP_PROG Atmel Ice

Author: tuna-f1sh

Arduino.mk

@@ -1443,7 +1443,7 @@ endif
 AVRDUDE_ISP_OPTS = -c $(ISP_PROG) -b $(AVRDUDE_ISP_BAUDRATE)
 
 ifndef $(ISP_PORT)
-    ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio linuxgpio avrispmkii dragon_isp dragon_dw))
+    ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), atmelice_isp usbasp usbtiny gpio linuxgpio avrispmkii dragon_isp dragon_dw))
         AVRDUDE_ISP_OPTS += -P $(call get_isp_port)
     endif
 else