DynamicTablesPkg: Add HexDump for CM Object parser

[nvidia-dmach]

Description

Add helper function HexDump for printing hex dump of CM Object fields.

Also merge multiple flavors of PrintCharX into one function PrintChars by using the field length.

• [ ] Breaking change?
  • Breaking change - Will this cause a break in build or boot behavior?
  • Examples: Add a new library class or move a module to a different repo.
• [ ] Impacts security?
  • Security - Does the change have a direct security impact?
  • Examples: Crypto algorithm change or buffer overflow fix.
• [ ] Includes tests?
  • Tests - Does the change include any explicit test code?
  • Examples: Unit tests or integration tests.

How This Was Tested

Called ParseCmObjDesc() and ensured that "AcpiTableSignature", "OemTableId", "OemId[6]" fields were printed correctly. And HexDump was tested by dumping the 12 bytes of TPM2 "StartMethodParameters".

Integration Instructions

N/A

[nvidia-dmach]

Closing this PR. I have opened another PR with more patches. Please review https://github.com/tianocore/edk2/pull/5827 instead. Thanks.