usbdux: Makefile_dux: as31 compile no longer needed

Removed the as31 download instructions. My patches have been
integrated into the official as31 release which now also allows
including files. So the standard as31 is fine.
Signed-off-by: Bernd Porr <mail@berndporr.me.uk>
Signed-off-by: Bernd Porr <mail@berndporr.me.uk>
Signed-off-by: Kyle McMartin <kyle@kernel.org>

usbdux/Makefile_dux

@@ -3,20 +3,16 @@
 # no warranty
 #
 
-all: as31 usbduxfast_firmware.bin usbdux_firmware.bin usbduxsigma_firmware.bin
+all: usbduxfast_firmware.bin usbdux_firmware.bin usbduxsigma_firmware.bin
 
-as31:
-	make -C as31-2.1
+usbduxfast_firmware.bin: fx2-include.asm usbduxfast_firmware.asm
+	as31 -Fbin usbduxfast_firmware.asm
 
-usbduxfast_firmware.bin: fx2-include.asm usbduxfast_firmware.asm as31
-	as31-2.1/as31 -Fbin usbduxfast_firmware.asm
+usbdux_firmware.bin: fx2-include.asm usbdux_firmware.asm
+	as31 -Fbin usbdux_firmware.asm
 
-usbdux_firmware.bin: fx2-include.asm usbdux_firmware.asm as31
-	as31-2.1/as31 -Fbin usbdux_firmware.asm
-
-usbduxsigma_firmware.bin: fx2-include.asm usbduxsigma_firmware.asm as31
-	as31-2.1/as31 -Fbin usbduxsigma_firmware.asm
+usbduxsigma_firmware.bin: fx2-include.asm usbduxsigma_firmware.asm
+	as31 -Fbin usbduxsigma_firmware.asm
 
 clean:
 	rm -f *.bin *~ *.lst *.bin
-	make -C as31-2.1 clean

usbdux/README.dux

-To compile the firmware for the USBDUX,USBDUXfast and USBDUXsigma
------------------------------------------------------------------
-Download the as31 from:
-
-http://www.berndporr.me.uk/as31/
-
-(this is a patched version of as31 which supports an
-include directive).
-
-Install it in this directory.
-
-Then run "make -f Makefile_dux".
-
-Feedback:
-BerndPorr@f2s.com