Change AVR boards to use XInput core

Requires the base XInput AVR boards package

Author: dmadison

xinput_sparkfun/avr/boards.txt

@@ -38,7 +38,7 @@ makeymakey.build.f_cpu=16000000L
 makeymakey.build.vid=0x045E
 makeymakey.build.pid=0x028E
 makeymakey.build.usb_product="SparkFun MaKey MaKey"
-makeymakey.build.core=arduino:arduino
+makeymakey.build.core=xinput:arduino
 makeymakey.build.variant=promicro
 makeymakey.build.extra_flags={build.usb_flags}
 makeymakey.build.usb_manufacturer="SparkFun Electronics"
@@ -65,7 +65,7 @@ promicro.bootloader.low_fuses=0xFF
 promicro.bootloader.high_fuses=0xD8
 
 promicro.build.board=AVR_PROMICRO
-promicro.build.core=arduino:arduino
+promicro.build.core=xinput:arduino
 promicro.build.variant=promicro
 promicro.build.mcu=atmega32u4
 promicro.build.usb_product="SparkFun Pro Micro"
@@ -127,7 +127,7 @@ fiov3.build.f_cpu=8000000L
 fiov3.build.vid=0x045E
 fiov3.build.pid=0x028E
 fiov3.build.usb_product="SparkFun Fio v3"
-fiov3.build.core=arduino:arduino
+fiov3.build.core=xinput:arduino
 fiov3.build.variant=promicro
 fiov3.build.extra_flags={build.usb_flags}
 fiov3.build.usb_manufacturer="SparkFun Electronics"
@@ -165,7 +165,7 @@ qduinomini.build.vid=0x045E
 qduinomini.build.pid=0x028E
 qduinomini.build.usb_product="Qtechknow Qduino Mini"
 qduinomini.build.board=AVR_QDUINOMINI
-qduinomini.build.core=arduino:arduino
+qduinomini.build.core=xinput:arduino
 qduinomini.build.variant=promicro
 qduinomini.build.extra_flags={build.usb_flags}
 qduinomini.build.usb_manufacturer="SparkFun Electronics"
@@ -201,6 +201,6 @@ LilyPadProtoUSB.build.vid=0x045E
 LilyPadProtoUSB.build.pid=0x028E
 LilyPadProtoUSB.build.usb_product="LilyPad USB Plus"
 LilyPadProtoUSB.build.board=AVR_LILYPAD_ARDUINO_USB_PLUS_BOARD
-LilyPadProtoUSB.build.core=arduino:arduino
+LilyPadProtoUSB.build.core=xinput:arduino
 LilyPadProtoUSB.build.variant=lilypadusbplus
 LilyPadProtoUSB.build.extra_flags={build.usb_flags}