Fixed debug log for gEfiEventReadyToBootGuid. (#163)

## Description

Fixed debug log for gEfiEventReadyToBootGuid.

- [ ] Impacts functionality?
- **Functionality** - Does the change ultimately impact how firmware
functions?
- Examples: Add a new library, publish a new PPI, update an algorithm,
...
- [ ] Impacts security?
- **Security** - Does the change have a direct security impact on an
application,
    flow, or firmware?
  - Examples: Crypto algorithm change, buffer overflow fix, parameter
    validation improvement, ...
- [ ] Breaking change?
- **Breaking change** - Will anyone consuming this change experience a
break
    in build or boot behavior?
- Examples: Add a new library class, move a module to a different repo,
call
    a function in a new library class in a pre-existing module, ...
- [ ] Includes tests?
  - **Tests** - Does the change include any explicit test code?
  - Examples: Unit tests, integration tests, robot tests, ...
- [ ] Includes documentation?
- **Documentation** - Does the change contain explicit documentation
additions
    outside direct code modifications (and comments)?
- Examples: Update readme file, add feature readme file, link to
documentation
    on an a separate Web page, ...

## How This Was Tested

Verified on local platform.

## Integration Instructions

N/A

Co-authored-by: Aaron <105021049+apop5@users.noreply.github.com>

IpmiFeaturePkg/IpmiSmbios/IpmiSmbios.c

@@ -171,7 +171,9 @@ IpmiSmbiosEntry (
                   &gEfiEventReadyToBootGuid,
                   &ReadyToBootEvent
                   );
-  DEBUG ((DEBUG_ERROR, "%a - CreateEventEx(%g): %r\n", __FUNCTION__, gEfiEventReadyToBootGuid, Status));
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "%a - CreateEventEx(%g): %r\n", __FUNCTION__, &gEfiEventReadyToBootGuid, Status));
+  }
 
   return Status;
 }