KEYS: trusted tpmdd-fixes on 20210422

This is an urgent regression fix for a tpm patch set that went in this
merge window. It looks like a rebase before the original pull request
lost a tpm_try_get_ops() so we have a lock imbalance in our code which
is causing oopses.  The original patch was correct on the mailing
list.

Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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