staging: ks7010: use little-endian types

This patch fixes a number of sparse warnings of the form:
drivers/staging/ks7010/ks_hostif.c:2187:29:
	warning: incorrect type in assignment (different base types)
generated when storing little-endian data in variables
that do not have a specified endianness.

Signed-off-by: Perry Hooker <perry.hooker@gmail.com>
Reviewed-By: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>