Add Cr50FlashLogs for dcrypto failure

A new enum is being added to the Cr50 codebase (see
https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1723097)
let's make sure it is displayed properly by UMA.

BUG=b:135772657
TEST=none

Change-Id: I7b8e9c6a8ecfd0ddc3392cdc762e4cf1fe0aca1b
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1725550Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682606}

tools/metrics/histograms/enums.xml

@@ -10732,6 +10732,7 @@ Called by update_net_error_codes.py.-->
   <int value="4" label="Log Lock"/>
   <int value="6" label="TPM Wipe"/>
   <int value="7" label="TRNG Stall"/>
+  <int value="8" label="Dcrypto Failure"/>
   <int value="200" label="Nvmem Malloc"/>
   <int value="201" label="Nvmem Page Header Size Mismatch"/>
   <int value="202" label="Nvmem Read Underrun"/>