dt-bindings: arm: update Armada CP110 system controller binding

It turns out that in the CP110 HW block present in Marvell Armada
7K/8K SoCs, gatable clock n°18 not only controls SD/MMC, but also the
GOP block. This commit updates the Device Tree binding for this piece
of hardware accordingly.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt

@@ -45,7 +45,7 @@ The following clocks are available:
    - 1 15	SATA
    - 1 16	SATA USB
    - 1 17	Main
-   - 1 18	SD/MMC
+   - 1 18	SD/MMC/GOP
    - 1 21	Slow IO (SPI, NOR, BootROM, I2C, UART)
    - 1 22	USB3H0
    - 1 23	USB3H1
@@ -65,7 +65,7 @@ Required properties:
 	"cpm-audio", "cpm-communit", "cpm-nand", "cpm-ppv2", "cpm-sdio",
 	"cpm-mg-domain", "cpm-mg-core", "cpm-xor1", "cpm-xor0", "cpm-gop-dp", "none",
 	"cpm-pcie_x10", "cpm-pcie_x11", "cpm-pcie_x4", "cpm-pcie-xor", "cpm-sata",
-	"cpm-sata-usb", "cpm-main", "cpm-sd-mmc", "none", "none", "cpm-slow-io",
+	"cpm-sata-usb", "cpm-main", "cpm-sd-mmc-gop", "none", "none", "cpm-slow-io",
 	"cpm-usb3h0", "cpm-usb3h1", "cpm-usb3dev", "cpm-eip150", "cpm-eip197";
 
 Example:
@@ -78,6 +78,6 @@ Example:
 		gate-clock-output-names = "cpm-audio", "cpm-communit", "cpm-nand", "cpm-ppv2", "cpm-sdio",
 			"cpm-mg-domain", "cpm-mg-core", "cpm-xor1", "cpm-xor0", "cpm-gop-dp", "none",
 			"cpm-pcie_x10", "cpm-pcie_x11", "cpm-pcie_x4", "cpm-pcie-xor", "cpm-sata",
-			"cpm-sata-usb", "cpm-main", "cpm-sd-mmc", "none", "none", "cpm-slow-io",
+			"cpm-sata-usb", "cpm-main", "cpm-sd-mmc-gop", "none", "none", "cpm-slow-io",
 			"cpm-usb3h0", "cpm-usb3h1", "cpm-usb3dev", "cpm-eip150", "cpm-eip197";
 	};