drm/nouveau/pm: readback boot perflvl *before* parsing vbios
drm/nouveau/pm: readback boot perflvl *before* parsing vbios

We might want/need the boot data to generate the other perflevels.

Signed-off-by: Ben Skeggs <d9f27fb07c1e9f131223ad827fa5179f3846c30b@redhat.com>
Signed-off-by: Martin Peres <f078f77bcd6141e84e4eefdc58402db4e0e36622@labri.fr>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas