The source project of this merge request has been removed.
gegl-cpuaccel: add hygon dhyana support("HygonGenuine") to enable MMX/SSE support
add Hygon dhyana CPU vendor ID ("HygonGenuine") detection and reuse arch_accel_amd() function to enable MMX/SSE support, as Hygon Dhyana(Family 18h) share similar arch with AMD family 17h.