add(system): change filesystem with erofs.

device/config/chips/v851s3/configs/fastboot_sl100_front/board.dts

@@ -1366,7 +1366,7 @@
 	pinctrl-1 = <&spif_pins_c>;
 	pinctrl-names = "default", "sleep";
 	//prefetch_read_mode_enabled;	/* choose prefect read mode */
-	//dtr_mode_enabled;				/* choose double edge trigger mode */
+	dtr_mode_enabled;				/* choose double edge trigger mode */
 	//dqs_mode_enabled;				/* choose dqs mode(nand provide clk mode) */
 	status = "okay";
 

device/config/chips/v851s3/configs/fastboot_sl100_front/linux/config-4.9

@@ -3143,7 +3143,11 @@ CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_MAC_TURKISH is not set
 # CONFIG_NLS_UTF8 is not set
 # CONFIG_DLM is not set
-# CONFIG_EROFS_FS is not set
+CONFIG_EROFS_FS=y
+# CONFIG_EROFS_FS_DEBUG is not set
+# CONFIG_EROFS_FS_XATTR is not set
+CONFIG_EROFS_FS_ZIP=y
+CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT=1
 
 #
 # Kernel hacking

device/config/chips/v851s3/configs/fastboot_sl100_front/linux/config-4.9_recovery

@@ -2596,7 +2596,11 @@ CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_MAC_TURKISH is not set
 # CONFIG_NLS_UTF8 is not set
 # CONFIG_DLM is not set
-# CONFIG_EROFS_FS is not set
+CONFIG_EROFS_FS=y
+# CONFIG_EROFS_FS_DEBUG is not set
+# CONFIG_EROFS_FS_XATTR is not set
+CONFIG_EROFS_FS_ZIP=y
+CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT=1
 
 #
 # Kernel hacking

device/config/chips/v851s3/configs/fastboot_sl100_front/linux/sys_partition_nor.fex

@@ -47,19 +47,19 @@ size = 16
 
 [partition]
     name         = boot
-    size         = 6016
+    size         = 6144
     downloadfile = "boot.fex"
     user_type    = 0x8000
 
 [partition]
     name         = rootfs
-    size         = 20480
+    size         = 20992
     downloadfile = "rootfs.fex"
     user_type    = 0x8000
 
 [partition]
     name         = extend
-    size         = 2048
+    size         = 4352
     downloadfile = "usr.fex"
     user_type    = 0x8000