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>