Update CMakeLists.txt, added comments, set for single-segment

Author: robertvb83

CMakeLists.txt

@@ -7,6 +7,7 @@ if (NOT PICO_PROGRAM_MAIN_ENTRY)
 	set(BOOT_WORKAROUND OFF)
 
 	# Default output data pin for the non-SPI LED strips (only for sk6812/ws2812b)
+ 	# 14 for Multi-Segment, 15 for Single-Segment
 	set(OUTPUT_DATA_PIN 15)
 
 	# Default output data/clocks pin for the SPI LED strips (only for apa102, not for sk6812/ws2812b)