services/spm_deprecated: disable alignment checking for S-EL0
services/spm_deprecated: disable alignment checking for S-EL0

Permit unaligned accesses while executing the secure partition
payload, so that we don't have to modify existing code that we
will host there. (The UEFI spec explicitly permits unaligned
accesses)

Signed-off-by: Ard Biesheuvel <66d3c5fdaeea7ff1f996ad04f2c45e08ab38e2f5@linaro.org>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware