tpm: Get rid of TPM_CHIP_FLAG_REGISTERED

This is no longer necessary, all calls to tpm_chip_unregister happen
in remove() callbacks.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2 files changed