arm64: Disable old style assembly annotations

Now that we have converted arm64 over to the new style SYM_ assembler
annotations select ARCH_USE_SYM_ANNOTATIONS so the old macros aren't
available and we don't regress.

Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20200501115430.37315-4-broonie@kernel.org


Signed-off-by: Will Deacon <will@kernel.org>