MIPS: fix renaming of inca-swap-bytes to xway-swap-bytes

Fix some remains of the renaming of inca-swap-bytes introduced in

commit 60b74bde9280e85f4423c05a50ecc41de56ad980

MIPS: INCA-IP: rename inca-swap-bytes host tool

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/Makefile b/Makefile
index d57c15e..013d139 100644
--- a/Makefile
+++ b/Makefile
@@ -792,7 +792,7 @@
 	@rm -f $(obj)u-boot.dtb
 	@rm -f $(obj)u-boot.sb
 	@rm -f $(obj)u-boot.spr
-	@rm -f $(obj)tools/inca-swap-bytes
+	@rm -f $(obj)tools/xway-swap-bytes
 	@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 	@rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 	@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm