ARM: dts: remove old USB2 PHY node for exynos5250

drivers/usb/phy/phy-samsung-usb2 driver got replaced by
drivers/phy/phy-samsung-usb2 one.  Remove the leftover
USB2 PHY node (EHCI/OHCI USB nodes are using the new one
already) from Exynos5250 dtsi file.

Cc: Mark Brown <broonie@linaro.org>
Cc: Kamil Debski <k.debski@samsung.com>
Cc: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250.dtsi

@@ -603,21 +603,6 @@
 		};
 	};
 
-	usb2_phy: usbphy@12130000 {
-		compatible = "samsung,exynos5250-usb2phy";
-		reg = <0x12130000 0x100>;
-		clocks = <&clock CLK_FIN_PLL>, <&clock CLK_USB2>;
-		clock-names = "ext_xtal", "usbhost";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges;
-
-		usbphy-sys {
-			reg = <0x10040704 0x8>,
-			      <0x10050230 0x4>;
-		};
-	};
-
 	usb2_phy_gen: phy@12130000 {
 		compatible = "samsung,exynos5250-usb2-phy";
 		reg = <0x12130000 0x100>;