Use ARMv6 instruction for handling byte order

ARMv6 ISA has several instructions to handle data in different byte order.
For endian conversion (byte swapping) of single data words, it might be a
good idea to use the REV/REV16 instruction simply.

Change-Id: Ic4a5ed6254e082763e54aa70d428f59a0088636e
1 file changed