[DM/FEATURE] Support import SoC PIN config

Signed-off-by: GuEe-GUI <2991707448@qq.com>

components/drivers/pin/Kconfig

@@ -1,3 +1,7 @@
 menuconfig RT_USING_PIN
     bool "Using Generic GPIO device drivers"
     default y
+
+if RT_USING_PIN
+    osource "$(SOC_DM_PIN_DIR)/Kconfig"
+endif