This builds the regular arm and arm-neon asm optmized modules for sha1
and sha512, for targets that set CONFIG_ARM_CRYPTO.
On ip40xx, the arm-asm version of sha1 improves performance by 5% over
the generic C implementation; sha1-neon is 25% faster than generic,
and sha512-neon, 259%.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
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