arm64: Remove outdated comment
arm64: Remove outdated comment

Code referenced in the comment has moved to arch/arm64/kernel/cputable.c

Signed-off-by: Liviu Dudau <de04510bbeaee3459a05bd6afc3320f61ec40764@arm.com>
Signed-off-by: Catalin Marinas <15ce75b290ebaf27c3f9fd73ab848685ed3d8261@arm.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs