dts: riscv: ite: Move SoC devicetree includes under a vendor directory

Cleans up SoC devicetree include file locations to follow the convention
of dts/<arch>/<vendor>/

Signed-off-by: Maureen Helm <maureen.helm@intel.com>

CODEOWNERS

@@ -484,7 +484,7 @@
 /dts/arm/silabs/efr32mg21*                @l-alfred
 /dts/arm/silabs/efr32fg13*                @yonsch
 /dts/riscv/                               @kgugala @pgielda
-/dts/riscv/it8xxx2.dtsi                   @ite
+/dts/riscv/ite/                           @ite
 /dts/riscv/microsemi-miv.dtsi             @galak
 /dts/riscv/rv32m1*                        @dleach02
 /dts/riscv/riscv32-litex-vexriscv.dtsi    @mateusz-holenko @kgugala @pgielda

MAINTAINERS.yml

@@ -1742,7 +1742,7 @@ ITE Platforms:
         - drivers/*/*/*it8xxx2*.c
         - drivers/*/*it8xxx2*.c
         - dts/bindings/*/*ite*
-        - dts/riscv/*it8xxx2*
+        - dts/riscv/ite/
         - soc/riscv/riscv-ite/
     labels:
         - "platform: ITE"

boards/riscv/it8xxx2_evb/it8xxx2_evb.dts

@@ -6,7 +6,7 @@
 /dts-v1/;
 
 #include <zephyr/dt-bindings/gpio/gpio.h>
-#include <it8xxx2.dtsi>
+#include <ite/it8xxx2.dtsi>
 #include <ite/it8xxx2-pinctrl-map.dtsi>
 
 / {