Fix 'date' so that it does not cause regeneration for unbundled builds

Currently a 'tapas' build will regenerate each time with:

    $(shell date +%m%d%y_%H%M%S) was changed, regenerating...

Change-Id: I2eeda1e9dd51a56bf0783f427b4fcf5a1f489254
Merged-In: I2eeda1e9dd51a56bf0783f427b4fcf5a1f489254
1 file changed