Georg Koppen authored Aug 25, 2019 and boklm committed Aug 28, 2019

Since r332613 lld has the option of setting the timestamp in PE headers
to `0` which essentially is the behavior of ld's `--no-insert-timestamp`
flag. However, we need a patch for lld's MingW target to pass this
option on in our cross-compilation case, as it would not be available
otherwise.