tarcieri README.md: Update AES-GCM(-SIV) hearts
d214261 Sep 3, 2019
README.md: Update AES-GCM(-SIV) hearts
Awards a "sparkle heart" to each for being so back when VPCLMULQDQ is
available.

...but gives both a "broken heart" IoT speed for being so incredibly
slow when (V)PCLMULQDQ is unavailable.
d214261