The fw_cfg ABI is Little Endian, so byte-swap the generically read
byte array to host endianness.

This unbreaks the fw_cfg tests on ppc.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Message-id: 1367167547-19931-1-git-send-email-afaerber@suse.de
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>