arm64: Fix silly typo in comment

I was passing through and figuered I'd fix this up:

	featuer -> feature

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Will Deacon 2018-06-15 11:36:43 +01:00 • committed by Catalin Marinas
commit ca7f686ac9