dtc: remove extra parentheses to pass clang check

BUG=chromium:230457
TEST=the clang warning is gone

Change-Id: If9536c181d564e6ee3c1b5777dd78ad3a57a16c7
Reviewed-on: https://gerrit.chromium.org/gerrit/47879
Reviewed-by: Han Shen <shenhan@chromium.org>
Commit-Queue: Yunlian Jiang <yunlian@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
1 file changed