crypto: Reduce EC multiplication scalar by the order

[chfast]

Reduce the scalar by the curve group order.
This allows using more efficient add algorithm in the loop because doubling cannot happen.

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 87.14%. Comparing base (9aa68c4) to head (06b545c).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
lib/evmone_precompiles/ecc.hpp	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1305      +/-   ##
==========================================
- Coverage   87.15%   87.14%   -0.01%     
==========================================
  Files         167      167              
  Lines       24732    24739       +7     
  Branches     4059     4061       +2     
==========================================
+ Hits        21554    21560       +6     
  Misses        537      537              
- Partials     2641     2642       +1     

Flag	Coverage Δ
eest-develop	17.79% <42.85%> (+<0.01%)	⬆️
eest-develop-gmp	15.82% <42.85%> (+<0.01%)	⬆️
eest-fusaka	12.17% <0.00%> (-0.01%)	⬇️
eest-legacy	11.06% <0.00%> (-0.01%)	⬇️
eest-legacy-silkpre	17.68% <71.42%> (+0.01%)	⬆️
eest-static	18.71% <71.42%> (+0.01%)	⬆️
evmone-unittests	83.75% <85.71%> (+<0.01%)	⬆️

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Components	Coverage Δ
core	93.28% <85.71%> (-0.01%)	⬇️
tooling	88.35% <ø> (ø)
tests	84.12% <ø> (ø)

Files with missing lines	Coverage Δ
lib/evmone_precompiles/ecc.hpp	98.26% <85.71%> (-0.40%)	⬇️

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