arm64: mm: remove reference to tlb.S from comment block

tlb.S has been removed since fa48e6f "arm64: mm: Optimise tlb flush logic
where we have >4K granule", so align comment with that.

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
1 file changed