dt-bindings: vendor-prefixes: Document the 'pciclass' prefix

The "pciclass" is an existing prefix used to identify the PCI bridge
devices, but it is not a vendor prefix. So document it in the non-vendor
prefix list.

Tested-by: Bartosz Golaszewski <[email protected]>
Acked-by: Rob Herring (Arm) <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <[email protected]>

Author: Mani-Sadhasivam

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -18,7 +18,7 @@ patternProperties:
   # DO NOT ADD NEW PROPERTIES TO THIS LIST
   "^(at25|bm|devbus|dmacap|dsa|exynos|fsi[ab]|gpio-fan|gpio-key|gpio|gpmc|hdmi|i2c-gpio),.*": true
   "^(keypad|m25p|max8952|max8997|max8998|mpmc),.*": true
-  "^(pinctrl-single|#pinctrl-single|PowerPC),.*": true
+  "^(pciclass|pinctrl-single|#pinctrl-single|PowerPC),.*": true
   "^(pl022|pxa-mmc|rcar_sound|rotary-encoder|s5m8767|sdhci),.*": true
   "^(simple-audio-card|st-plgpio|st-spics|ts),.*": true