arm64: delay: don't bother reporting bogomips in /proc/cpuinfo

We always use a timer-backed delay loop for arm64, so don't bother
reporting a bogomips value which appears to confuse some people.

Change-Id: I38ac62bd5960a33c26917b7d6ea36529479483f0
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Git-commit: 326b16db9f69fd0d279be873c6c00f88c0a4aad5
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git


Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>