Added analog RGB stripes to the supported LED strip hardware

FAQ.md

@@ -138,4 +138,9 @@ The compatible chipsets for the color-coding are
   - APA102
   - SK9822
   - WS2801
+
+Beside the **digital addressable** LED stripes the good old **analog** LED stripes are supported, too:
+- 4 pins: RGB
+- 5 pins: RGBW / RGBWW / RGBCW / RGBNW (RGB + one white channel)
+- 6 pins: RGBCT (RGB + 2 white channels)
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