Aarch64: Add memcpy for qualcomm's oryon-1 core

Qualcomm's new core (oryon-1) has a different performance characteristic
than other cores. For memcpy, it is faster to use the GPRs to
do the copy for large sizes (2x faster). For even larger sizes,
it is better to use the nontemporal load/store instructions so
we don't pollute the L1/L2 caches.

For smaller sizes, the characteristic are very similar to
other cores.
I used the thunderx memcpy as a starting point and expanded from there.

Changes since v1:
* v2: Fix ordering in Makefile.
* v3: Fix comment grammar about the ldnp/stnp instructions.

Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

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