ARM: dts: Remove PIN_INPUT for dm816x McSPI
ARM: dts: Remove PIN_INPUT for dm816x McSPI

On dm816x we have no PIN_INPUT vs PIN_OUTPUT configuration, there
are just pulls. Let's remove the bogus flags.

Cc: Brian Hutchinson <430e16f116b4efb8257b67e6276b587bbf5daa01@gmail.com>
Cc: Matthijs van Duin <2d9a0dd874e183d835d94043b79464ae3de04e0a@gmail.com>
Signed-off-by: Tony Lindgren <1001e8702733cced254345e193c88aaa47a4f5de@atomide.com>

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