Remove endian swapping abstraction

All supported kernels (and since 4.10) emit data in big endian. This
removes the run time abstraction and uses htobe32 unconditionally.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Change-Id: Ibdfae6b7b958c876e4ab0c89ecb130ec58ce2fac
3 files changed