jffs2: add sector_size field to part_info structure

This patch adds sector_size field to part_info structure (used
by new JFFS2 code).

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
index c2caade..7866c80 100644
--- a/common/cmd_jffs2.c
+++ b/common/cmd_jffs2.c
@@ -339,11 +339,15 @@
 	extern flash_info_t flash_info[];
 	flash_info_t *flash;
 	int offset_aligned;
-	u32 end_offset;
+	u32 end_offset, sector_size = 0;
 	int i;
 
 	flash = &flash_info[id->num];
 
+	/* size of last sector */
+	part->sector_size = flash->size -
+		(flash->start[flash->sector_count-1] - flash->start[0]);
+
 	offset_aligned = 0;
 	for (i = 0; i < flash->sector_count; i++) {
 		if ((flash->start[i] - flash->start[0]) == part->offset) {
@@ -358,12 +362,18 @@
 	}
 
 	end_offset = part->offset + part->size;
+	offset_aligned = 0;
 	for (i = 0; i < flash->sector_count; i++) {
+		if (i) {
+			sector_size = flash->start[i] - flash->start[i-1];
+			if (part->sector_size < sector_size)
+				part->sector_size = sector_size;
+		}
 		if ((flash->start[i] - flash->start[0]) == end_offset)
-			return 0;
+			offset_aligned = 1;
 	}
 
-	if (flash->size == end_offset)
+	if (offset_aligned || flash->size == end_offset)
 		return 0;
 
 	printf("%s%d: partition (%s) size alignment incorrect\n",
@@ -389,6 +399,8 @@
 
 	nand = &nand_info[id->num];
 
+	part->sector_size = nand->erasesize;
+
 	if ((unsigned long)(part->offset) % nand->erasesize) {
 		printf("%s%d: partition (%s) start offset alignment incorrect\n",
 				MTD_DEV_TYPE(id->type), id->num, part->name);
@@ -424,6 +436,8 @@
 
 	mtd = &onenand_mtd;
 
+	part->sector_size = mtd->erasesize;
+
 	if ((unsigned long)(part->offset) % mtd->erasesize) {
 		printf("%s%d: partition (%s) start offset"
 			"alignment incorrect\n",