dt-bindings: pwrap: mediatek: Update pwrap document for mt8195

Update pwrap document description for mt8195

Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com>
Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220411022724.11005-2-tinghan.shen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Author: Zhiyong.Tao

Documentation/devicetree/bindings/soc/mediatek/pwrap.txt

@@ -31,20 +31,20 @@ Required properties in pwrap device node.
 	"mediatek,mt8195-pwrap" for MT8195 SoCs
 	"mediatek,mt8516-pwrap" for MT8516 SoCs
 - interrupts: IRQ for pwrap in SOC
-- reg-names: Must include the following entries:
+- reg-names: "pwrap" is required; "pwrap-bridge" is optional.
   "pwrap": Main registers base
   "pwrap-bridge": bridge base (IP Pairing)
 - reg: Must contain an entry for each entry in reg-names.
-- reset-names: Must include the following entries:
-  "pwrap"
-  "pwrap-bridge" (IP Pairing)
-- resets: Must contain an entry for each entry in reset-names.
 - clock-names: Must include the following entries:
   "spi": SPI bus clock
   "wrap": Main module clock
 - clocks: Must contain an entry for each entry in clock-names.
 
 Optional properities:
+- reset-names: Some SoCs include the following entries:
+  "pwrap"
+  "pwrap-bridge" (IP Pairing)
+- resets: Must contain an entry for each entry in reset-names.
 - pmic: Using either MediaTek PMIC MFD as the child device of pwrap
   See the following for child node definitions:
   Documentation/devicetree/bindings/mfd/mt6397.txt