Panel IO handle, created by `esp_lcd_new_panel_io_i80()`
size
Size of memory to be allocated
caps
Bitwise OR of MALLOC_CAP_* flags indicating the type of memory desired for the allocation
Return value
Pointer to a new buffer of size 'size' with capabilities 'caps', or NULL if allocation failed
Notes
This function differs from the normal 'heap_caps_*' functions in that it can also automatically handle the alignment required by DMA burst, cache line size, etc.