Makefile: clean qemu-iotests output

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Makefile

@@ -202,6 +202,7 @@ clean: recurse-clean
 		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
 		-exec rm {} +
 	rm -f TAGS cscope.* *~ */*~
+	@$(MAKE) -Ctests/qemu-iotests clean
 
 VERSION = $(shell cat $(SRC_PATH)/VERSION)
 

configure

@@ -1559,7 +1559,7 @@ LINKS="$LINKS pc-bios/s390-ccw/Makefile"
 LINKS="$LINKS pc-bios/vof/Makefile"
 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
 LINKS="$LINKS tests/avocado tests/data"
-LINKS="$LINKS tests/qemu-iotests/check"
+LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile"
 LINKS="$LINKS python"
 LINKS="$LINKS contrib/plugins/Makefile "
 for f in $LINKS ; do