Rollup merge of #121683 - fortanix:raoul/lvi_fixes, r=cuviper

Fix LVI tests after frame pointers are enabled by default

#121203 enables frame pointers by default. This affects LVI mitigations for the `x86_64-fortanix-unknown-sgx` target. LVI remained mitigated correctly, but the tests were too strict.

``@nshyrei`` , ``@jethrogb``

Author: matthiaskrgr