chromeos-cr50: uprev pre-pvt to version 0.6.9

The new pre-pvt image incorporates the following
fixes/improvements/new features:

- change TRNG_EMPTY_COUNT to 0x7ff
- Add debug message for detachable cutoff
- suppress TPM_STS messages
- add get apro hash vendor command

The new version string is
Build:   0.6.9/cr50_v1.9308_B.941-ef244e460
         tpm2:v1.9308_26_0.60-a2ed29c
         cryptoc:v1.9308_26_0.5-b941bbe
         2021-02-02 23:37:47 @chromeos-ci-factory-us-central2-c

BUG=b:179153941,b:180946475
TEST='sudo emerge chroemos-cr50' brings in the new version into
      /opt/google/firmware/cr50/cr50.bin.prepvt

Change-Id: I253a9156e9e44c92322a7399459d6ee47860dde1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2713728
Tested-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Commit-Queue: Mary Ruthven <mruthven@chromium.org>
(cherry picked from commit 6f4b8071a90d256d7f1ebf8674c488b6cc97fe49)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2772387
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
Commit-Queue: Shiva Sai Kothapalli <kshivasai@google.com>
Tested-by: Shiva Sai Kothapalli <kshivasai@google.com>
diff --git a/chromeos-base/chromeos-cr50/Manifest b/chromeos-base/chromeos-cr50/Manifest
index 127846b..256a274 100644
--- a/chromeos-base/chromeos-cr50/Manifest
+++ b/chromeos-base/chromeos-cr50/Manifest
@@ -1,2 +1,2 @@
 DIST cr50.r0.0.11.w0.5.7.tbz2 205797 BLAKE2B d706bfcbcd39e8bb9bb6a629d7ccd669e6077d19828269bb7a2c4327bbcbcd70f43acbb0b5f9bdbffb5f305fbe5a1ce5dc4171c274b17e71ae34faae9c9623a0 SHA512 9169ec67c7de9ff284a7105dec203606cb6811925ab8dc2ac3771799607b5e7296458b703c7d5b233d563d9e6e19865e141a254da6758eb7ddd7b98af7d36455
-DIST cr50.r0.0.11.w0.6.7_FFFF_00000000_00000010.tbz2 205728 BLAKE2B c479b5832511a4d3ecb87380d6519f4702f1385a83a767938ca263b511643540be983a747b1128394056296423333b4493ed844988809bb51b2a321d9bf3efca SHA512 79c86a44484b5f902913df21a3f34bc8e968e019e3b986ae19eff56ea51323a05da36e79f4ab6bc256ab6076ead75f079cf17f0e87a5a7ff374cc62c55cae0f3
+DIST cr50.r0.0.11.w0.6.9_FFFF_00000000_00000010.tbz2 206028 BLAKE2B cf11ae0c20fad3707e20335a91b3d0500dc2f82d99ba85ab818994051b3165b9029271ddc9cd372b7771b3d13ae03b4617251b499ec7495af946f54040d31c64 SHA512 ff2f617e867fa0c3ea7235f95cd41bc45f36155a426dd9d22815f5c65b1d016e13ffee6ac5c1739a4ffeae3a71fd9a40b43152daaa56f495d38113df1acb2e90
diff --git a/chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1-r95.ebuild b/chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1-r96.ebuild
similarity index 100%
rename from chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1-r95.ebuild
rename to chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1-r96.ebuild
diff --git a/chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1.ebuild b/chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1.ebuild
index 4204d50..dfa78b5 100644
--- a/chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1.ebuild
+++ b/chromeos-base/chromeos-cr50/chromeos-cr50-0.0.1.ebuild
@@ -18,7 +18,7 @@
 # Some boards can be using their custom Cr50 images, for those board the image
 # name is overridden in the board's overlay chromeos-cr50 ebuild.
 PROD_IMAGE="cr50.r0.0.11.w0.5.7"
-PRE_PVT_IMAGE="cr50.r0.0.11.w0.6.7_FFFF_00000000_00000010"
+PRE_PVT_IMAGE="cr50.r0.0.11.w0.6.9_FFFF_00000000_00000010"
 
 # Let's make sure that both are pulled in and included in the manifest.
 CR50_BASE_NAMES=( "${PROD_IMAGE}" "${PRE_PVT_IMAGE}" )