riscv: dts: sophgo: rename header file cv18xx.dtsi to cv180x.dtsi

As the cv18xx.dtsi serves as a common peripheral header for all
riscv cv180x/cv181x/sg200x SoCs, it not cover the entire cv18xx
series as there is cv182x and cv183x. So rename the header file
to make it precise.

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250430012654.235830-4-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>

arch/riscv/boot/dts/sophgo/cv1800b.dtsi

@@ -5,7 +5,7 @@
 
 #include <dt-bindings/pinctrl/pinctrl-cv1800b.h>
 #include "cv180x-cpus.dtsi"
-#include "cv18xx.dtsi"
+#include "cv180x.dtsi"
 
 / {
 	compatible = "sophgo,cv1800b";

arch/riscv/boot/dts/sophgo/cv1812h.dtsi

@@ -6,7 +6,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-cv1812h.h>
 #include "cv180x-cpus.dtsi"
-#include "cv18xx.dtsi"
+#include "cv180x.dtsi"
 #include "cv181x.dtsi"
 
 / {

arch/riscv/boot/dts/sophgo/sg2002.dtsi

@@ -6,7 +6,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-sg2002.h>
 #include "cv180x-cpus.dtsi"
-#include "cv18xx.dtsi"
+#include "cv180x.dtsi"
 #include "cv181x.dtsi"
 
 / {