util/ectool: don't dump the whole ram when writing to it

Change-Id: Ib2f417ff91862c71de32b3f8929d2017a725ea47
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/10767
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed