plat: marvell: armada: a3k: Do not modify $(WTMI_IMG)

$(WTMI_IMG) is used only by $(MAKE) subprocess in $(DOIMAGEPATH) directory.
So calling truncate on $(WTMI_IMG) after $(MAKE) in $(DOIMAGEPATH) has no
effect and can just damage input file for future usage. Therefore remove
this truncate call.

Signed-off-by: Pali Rohár <pali@kernel.org>
Change-Id: I9925c54c5d3d10eadc19825c5565ad4598a739a7
1 file changed