COCOS-326 - Add vTPM support to CoCoS (#376)

* manager, cli and agent vtpm support

* rebase and changed atls for vtpm

* deleted unused code

* changed chekproto.yaml script so it find the manager proto file correctly

* fixe manager proto version

* fix agent tests

* fix server agent test

* fix attestation test

* fix attestation test gofumpt

* created dummy RWC for TPM

* fix comment

* add default PCR values

* rebase main

* fix rust ci and missing header

* changed embedded  attestation to VMPL 2

* fix unused impot

* fix pkg test

* address attestation type

* fix agent attestation test

* add prc15 check

* fix comments

* fix cli tests

* add doc

* add mock for LeveledQuoteProvider when SEV-SNP device is not found

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* fix manager reading attestation policy

* refactor PCR value checks and update attestation policy values

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* fix tests for sev and grpc

---------

Signed-off-by: Sammy Oina <sammyoina@gmail.com>
Co-authored-by: Sammy Oina <sammyoina@gmail.com>

hal/linux/configs/cocos_defconfig

@@ -27,7 +27,7 @@ BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
 # Linux headers same as kernel
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_11=y
 BR2_TOOLCHAIN_HEADERS_LATEST=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST="6.12-rc6"
+BR2_TOOLCHAIN_HEADERS_AT_LEAST="6.11-rc7"
 
 # Kernel
 BR2_LINUX_KERNEL=y