ARM: dts: gemini: add device_type on pci

stable inclusion
from stable-5.10.53
commit c8f0cef75dd799a89cae0e050c1c9013673d5e33
bugzilla: 175574 https://gitee.com/openeuler/kernel/issues/I4DTUX

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c8f0cef75dd799a89cae0e050c1c9013673d5e33

--------------------------------

[ Upstream commit 483f3645 ]

Fixes DT warning on pci node by adding the missing device_type.
Signed-off-by: NCorentin Labbe <clabbe@baylibre.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

arch/arm/boot/dts/gemini.dtsi

@@ -286,6 +286,7 @@
 			clock-names = "PCLK", "PCICLK";
 			pinctrl-names = "default";
 			pinctrl-0 = <&pci_default_pins>;
+			device_type = "pci";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			#interrupt-cells = <1>;