drm/amdgpu: don't skip runtime pm get on A+A config

The runtime PM get was incorrectly added after the check.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211206084551.92502-1-christian.koenig@amd.com