I see that wolfTPM already has the hooks to build for u-boot.  I'm looking at the readme in the examples u-boot directory. The latest u-boot does not seem to have any of the configuration options, etc...  I went hunting and found a thread talking about a patch with Denx.  The end of that thread said go back and do a bunch of stuff and the author would re-submit the patch.   There is nothing I can find after that.   Does anyone know where the integration into u-boot stands?  I will be using wolfTPM in uboot to update the firmware in the Infineon SLB 9672.   I will work with that original patch for now.