drm/amd: Detect IFWI or PD upgrade support in psp_early_init()

Rather than evaluating the IP version for visibility, evaluate it
at the same time as the IP is initialized.

Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>