dt-bindings: trivial-devices: Remove trailing whitespace

Remove trailing whitespace that hurts my eyes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/7c1b2700f3727e94600f5f7e10beef16f8dc64ed.1673425053.git.geert+renesas@glider.beSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/trivial-devices.yaml

@@ -325,7 +325,7 @@ properties:
           - sgx,vz89x
             # Silicon Labs EM3581 Zigbee SoC with SPI interface
           - silabs,em3581
-            # Silicon Labs SI3210 Programmable CMOS SLIC/CODEC with SPI interface 
+            # Silicon Labs SI3210 Programmable CMOS SLIC/CODEC with SPI interface
           - silabs,si3210
             # Relative Humidity and Temperature Sensors
           - silabs,si7020