dt-bindings: nvmem: mtk-efuse: add documentation for MT8516 SoC

Add binding documentation for MT8516 SoCs.
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NFabien Parent <fparent@baylibre.com>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20201127102837.19366-2-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/nvmem/mtk-efuse.txt

@@ -7,6 +7,7 @@ Required properties:
 	      "mediatek,mt7622-efuse", "mediatek,efuse": for MT7622
 	      "mediatek,mt7623-efuse", "mediatek,efuse": for MT7623
 	      "mediatek,mt8173-efuse" or "mediatek,efuse": for MT8173
+	      "mediatek,mt8516-efuse", "mediatek,efuse": for MT8516
 - reg: Should contain registers location and length
 
 = Data cells =