Build pxestick using ipxe source

.gitmodules

@@ -90,3 +90,7 @@
 	path = apps/firmware-smmstore
 	url = https://github.com/system76/firmware-smmstore.git
 	branch = master
+[submodule "tools/ipxe"]
+	path = tools/ipxe
+	url = https://github.com/ipxe/ipxe.git
+	branch = master

scripts/pxestick.sh

@@ -4,9 +4,11 @@ set -e
 
 rm -rf build/pxestick
 mkdir -p build/pxestick
-cd build/pxestick
 
-wget -O ipxe.efi http://boot.ipxe.org/ipxe.efi
+make -C tools/ipxe/src bin-x86_64-efi/axge.efi
+cp tools/ipxe/src/bin-x86_64-efi/axge.efi build/pxestick/ipxe.efi
+
+cd build/pxestick
 
 dd if=/dev/zero of=usb.img.partial bs=512 count=2048
 mkfs.vfat usb.img.partial
@@ -14,3 +16,8 @@ mmd -i usb.img.partial efi
 mmd -i usb.img.partial efi/boot
 mcopy -i usb.img.partial ipxe.efi ::efi/boot/bootx64.efi
 mv usb.img.partial usb.img
+
+if [ -b "$1" ]
+then
+    sudo popsicle -u usb.img "$1"
+fi