Added APA102 template for PRU. Supports 24 strips interleaving clock and data lines. Clocks out around 1.6mhz.
Added APA102 template for PRU. Supports 24 strips interleaving clock and data lines. Clocks out around 1.6mhz.

Yona-Appletree/ledSPI,Yona-Appletree/ledSPI