This new interface can be used by IP components to retrieve the
firmware information from the core driver.

v2: fix one typo
Signed-off-by: NJammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: NRex Zhu <Rex.Zhou@amd.com>
Signed-off-by: NYoung Yang <Young.Yang@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>