doc: add mention about aligning data to cachelines for best performance

Authored by jukivili on Mar 24 2019, 9:49 AM.

Description

doc: add mention about aligning data to cachelines for best performance

* doc/gcrypt.text: Add mention about aligning data to cachelines for
best performance.
  • GnuPG-bug-id: T2388
  • Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>