test: Remove tabs from trace test

These cause U-Boot to print a list of available commands. It doesn't break
the test, but it is best to remove them from the output.

Signed-off-by: Simon Glass <sjg@chromium.org>

test/trace/test-trace.sh

@@ -27,17 +27,17 @@ build_uboot() {
 run_trace() {
 	echo "Run trace"
 	./${OUTPUT_DIR}/u-boot <<END
-	trace stats
-	hash sha256 0 10000
-	trace pause
-	trace stats
-	hash sha256 0 10000
-	trace stats
-	trace resume
-	hash sha256 0 10000
-	trace pause
-	trace stats
-	reset
+trace stats
+hash sha256 0 10000
+trace pause
+trace stats
+hash sha256 0 10000
+trace stats
+trace resume
+hash sha256 0 10000
+trace pause
+trace stats
+reset
 END
 }