atmel_serial.h is only used by atmel_serial.c, so there's no need for
it to lie in include/linux.
Suggested-by: NJoe Perches <joe@perches.com>
Signed-off-by: NRichard Genoud <richard.genoud@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>