[PATCH 2/5] tpm: cr50: Add a better description and more debug

[Simon Glass]

Update the TPM description to include the interrupt mechanicm since this
is useful to know. Also add a warning if the TPM cannot be found and a
debug line if it succeeds.

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

 drivers/tpm/cr50_i2c.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

Applied to u-boot-dm, thanks!