kernel: create bootfs partition when parsing on BCM4908

It's helpful for accessing booting data (DTS, kernel, etc.). It has to
be used carefully as CFE's JFFS2 support is quite dumb. It doesn't
recognize deleted files and has problems handling 0 inode.

Signed-off-by: Rafał Miłecki <[email protected]>

target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_cfe_bootfs.c

@@ -17,7 +17,7 @@
 #define je16_to_cpu(x) ((x).v16)
 #define je32_to_cpu(x) ((x).v32)
 
-#define NR_PARTS		1
+#define NR_PARTS		2
 
 static int mtdsplit_cfe_bootfs_parse(struct mtd_info *mtd,
 				     const struct mtd_partition **pparts,
@@ -58,12 +58,16 @@ static int mtdsplit_cfe_bootfs_parse(struct mtd_info *mtd,
 	if (!parts)
 		return -ENOMEM;
 
+	parts[0].name = "bootfs";
+	parts[0].offset = 0;
+	parts[0].size = rootfs_offset;
+
 	if (type == MTDSPLIT_PART_TYPE_UBI)
-		parts[0].name = UBI_PART_NAME;
+		parts[1].name = UBI_PART_NAME;
 	else
-		parts[0].name = ROOTFS_PART_NAME;
-	parts[0].offset = rootfs_offset;
-	parts[0].size = mtd->size - rootfs_offset;
+		parts[1].name = ROOTFS_PART_NAME;
+	parts[1].offset = rootfs_offset;
+	parts[1].size = mtd->size - rootfs_offset;
 
 	*pparts = parts;