Implementing RetrieveCertSigningInfo and RetrieveAttestationIds traits

Implementing RetrieveCertSigningInfo and RetrieveAttestationIds traits
purely in Rust. For this we now depend on the protobuf crate.

Bug: 253906012, 253926844
Test: Build.py, run keymint TA unittests
Change-Id: I72fc1a5e282f3d3b0e8e8b599ecb287dfad5bbe9
diff --git a/rules.mk b/rules.mk
index 28353f4..17796ac 100644
--- a/rules.mk
+++ b/rules.mk
@@ -30,6 +30,8 @@
 	trusty/user/base/lib/keymint-rust/common \
 	trusty/user/base/lib/keymint-rust/ta \
 	trusty/user/base/lib/log-rust \
+	trusty/user/base/lib/protobuf-rust \
+	trusty/user/base/lib/storage/rust \
 	trusty/user/base/lib/tipc/rust \
 	trusty/user/base/lib/trusty-log \
 	trusty/user/base/lib/trusty-std \