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>

util/ectool/ectool.c

@@ -124,7 +124,7 @@ int main(int argc, char *argv[])
 	}
 
 	/* preserve default - dump_ram if nothing selected */
-	if (!dump_ram && !dump_idx && !dump_query) {
+	if (!dump_ram && !dump_idx && !dump_query && !write_addr) {
 		dump_ram = 1;
 	}