bootperf: reset tmp_dir for each iteration

This fixes an error when bootperf runs with multiple iterations without
the -k option (which saves system log files) and recreates the tmp dir
for each iteration.

TEST=bootperf $IP_ADDR 10

Change-Id: I1c10ac562fa3a00c3a2987b3058d38b445f18f0f
Reviewed-by: Kuang-che Wu <>
Reviewed-by: Chinglin Yu <>
Tested-by: Chinglin Yu <>
Commit-Queue: Chinglin Yu <>
1 file changed