[PATCH v5 5/6] x86/microcode/AMD: Add a reminder about PATCH_MAX_SIZE macro

The PATCH_MAX_SIZE macro should contain the maximum of all family patch sizes. Since these sizes are defined in an other place than this macro, let's add a reminder to them so people will remember to verify PATCH_MAX_SIZE correctness when modifying a family patch size or adding a new family.

[PATCH v5 5/6] x86/microcode/AMD: Add a reminder about PATCH_MAX_SIZE macro

The PATCH_MAX_SIZE macro should contain the maximum of all family patch sizes. Since these sizes are defined in an other place than this macro, let's add a reminder to them so people will remember to verify PATCH_MAX_SIZE correctness when modifying a family patch size or adding a new family.