soc: wch: Deduplicate common files across ch32v socs

Moves shared files from multiple ch32v SoCs into a new `common/`
directory to eliminate duplication.

Signed-off-by: Miguel Gazquez <miguel.gazquez@bootlin.com>

Author: miggazElquez

soc/wch/ch32v/ch32v00x/CMakeLists.txt

@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_sources(
-  soc_irq.S
-  vector.S
+  ../common/qingke_v2x/soc_irq.S
+  ../common/qingke_v2x/vector.S
 )
 
 zephyr_include_directories(.)

soc/wch/ch32v/ch32v00x/soc_irq.S

@@ -10,7 +10,7 @@
 /**
  * @brief Type to hold a pin's pinctrl configuration.
  */
-struct ch32v208_pinctrl_soc_pin {
+struct qingke_v4_pinctrl_soc_pin {
 	uint32_t config: 22;
 	bool bias_pull_up: 1;
 	bool bias_pull_down: 1;
@@ -21,7 +21,7 @@ struct ch32v208_pinctrl_soc_pin {
 	uint8_t slew_rate: 2;
 };
 
-typedef struct ch32v208_pinctrl_soc_pin pinctrl_soc_pin_t;
+typedef struct qingke_v4_pinctrl_soc_pin pinctrl_soc_pin_t;
 
 #define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx)                                               \
 	{                                                                                          \

soc/wch/ch32v/qingke_v2a/soc_irq.S renamed to soc/wch/ch32v/common/qingke_v2x/soc_irq.S

@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_sources(
-  soc_irq.S
-  vector.S
+  ../common/qingke_v2x/soc_irq.S
+  ../common/qingke_v2x/vector.S
 )
 
 zephyr_include_directories(.)

soc/wch/ch32v/ch32v00x/vector.S renamed to soc/wch/ch32v/common/qingke_v2x/vector.S

@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_sources(
-  soc_irq.S
-  vector.S
+  ../common/qingke_v4/soc_irq.S
+  ../common/qingke_v4/vector.S
 )
 
-zephyr_include_directories(.)
+zephyr_include_directories(../common/qingke_v4)