soc/amd/picasso/psp: fix check of MSR_PSP_ADDR contents

If MSR_PSP_ADDR is uninitialized, it's all zeros and not all ones.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Iecd3039f63f9d0cb75fe3cb37aee92ba65bbbb50
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50148
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions