uboot-phytec

actux[123]: Update linker script for ELDK 4.2

With ELDK4.2 libserial.o is too large to fit in the area before the
environment.  Swap in libinput instead which is a little smaller.

Cc: Michael Schwingen <michael@schwingen.org>
Signed-off-by: Tom Rini <trini@ti.com>