target/i386: emulate: LA57 fix

Seen on a Sapphire Rapids box with LA57.

The top level of the pte array is taken for CR3, so there was
one entry too little for 5-level paging.

Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>
Link: https://lore.kernel.org/r/20260307181856.2209-6-mohamed@unpredictable.fr
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed