tpm: Add library module

Add structures and related methods to process Ctrl requests and responses
from swtpm to tpm library.

Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com>
Co-authored-by: Sean Yoo <t-seanyoo@microsoft.com>

Cargo.lock

@@ -173,6 +173,7 @@ dependencies = [
  "signal-hook",
  "test_infra",
  "thiserror",
+ "tpm",
  "tracer",
  "vm-memory",
  "vmm",
@@ -1159,6 +1160,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tpm"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "byteorder",
+ "log",
+ "thiserror",
+]
+
 [[package]]
 name = "tracer"
 version = "0.1.0"