CR50 after firmware replacement

I have successfully loaded Linux on my HP LANDIA chromebook following the directions from docs.chrultrabook. My thanks to mrchromebox and all others in this group for all their hard work.
I do have one more question. Can the CR50 still be accessed? Does it have any function now that the firmware is replaced?

It may be possible to use the tpm function, but someone would have to test that.