[Mod] Pstore测试正常

[详细说明]
    1.使用dts方式，Pstore工作正常；模块加载方式未通过(dts中未声明reserver-memory)；
    2.resever-memory定义：DRAM 末尾3MB位置开始,大小1MB(RTOS区域紧跟其后)：{0x9fd0_0000, 0x9fdf_ffff};

build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig

@@ -530,3 +530,13 @@ CONFIG_BT_HCIUART_H4=y
 # CONFIG_BT_HCIVHCI is not set
 # CONFIG_BT_MRVL is not set
 # CONFIG_BT_MTKSDIO is not set
+
+CONFIG_MAGIC_SYSRQ=y
+
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_RAM=y
+CONFIG_PSTORE_PMSG=y
+
+#CONFIG_FUNCTION_TRACER=y
+#CONFIG_PSTORE_FTRACE=y

build/boards/default/dts/cv181x/cv181x_default_memmap.dtsi

@@ -21,5 +21,12 @@
 			compatible = "ion-region";
 			size = <0x0 CVIMMAP_ION_SIZE>;
 		};
+
+		ramoops@9fd00000 {
+			compatible = "ramoops";
+			reg = <0 0x9fd00000 0 0x100000>;
+			record-size = <0x4000>;
+			console-size = <0x4000>;
+		};
 	};
 };