As of commit 4141c857 ("arm64: convert
raw syscall invocation to C"), moving syscall handling from assembly to
C, the macro mask_nospec64 is no longer referenced.
Acked-by: NMark Rutland <mark.rutland@arm.com>
Signed-off-by: NJulien Thierry <julien.thierry@arm.com>
Signed-off-by: NWill Deacon <will@kernel.org>