watchdog: at91sam9: use endian agnostic IO
watchdog: at91sam9: use endian agnostic IO

Use endian agnostic IO functions for the watchdog driver for when it
is enabled on ATSAMA5D36 devices running in big endian.

Signed-off-by: Ben Dooks <0b051c53bf6ec41a37761bf9736dc587af5e4a2e@codethink.co.uk>
Acked-by: Boris Brezillon <4e91513d4f418754031d3d36b3fc73980c40a38c@free-electrons.com>
Acked-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <5f65f6985de1ebf15dde04e0dc4668211868bafa@iguana.be>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs