[SKIN] MX Graphite for OpenPLi

For PLi® from OpenBlackHole team

Skin default in OBH image

Skin format 1920 x 1080

picons format 220 x 132 (X Picon)

Used picons from @halus61 VU+C forum

Skin type  High speed and performance

^{SKIN UPDATE V2}

Added support for Permanent Clock plugin

MX_Graphite_PLi_V2