hotfix: Fixing c_str error.
hotfix: Fixing c_str error.

Fixing an error when attempting to use c_str() on a macro defined
C-style string.

Signed-off-by: Larry Dewey <968845783c158b6287022517450dc1205322081b@SCS-L10-lardewe.amd.com>

AMDESE/sev-tool,AMDESE/sev-tool,AMDESE/sev-tool