[PATCH v2 06/10] sandbox: tpm: Track whether the state is valid

[Simon Glass]

Add checking as to whether the current TPM state is valid, so we can
implement reading/writing the state.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 drivers/tpm/tpm2_tis_sandbox.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

Applied to u-boot-dm, thanks!