mxsboot : Support of 224-bytes OOB area length

Add support for the NAND Flash chip with page size of 4096+224-bytes OOB area length

For example Micron MT29F4G08 NAND flash device defines a OOB area which is
224 bytes long (oobsize).

Signed-off-by: Alexandre Coffignal <acoffignal@geral.com>
diff --git a/tools/mxsboot.c b/tools/mxsboot.c
index 90b2173..6d48cfb 100644
--- a/tools/mxsboot.c
+++ b/tools/mxsboot.c
@@ -142,6 +142,9 @@
 
 		if (page_oob_size == 218)
 			return 16;
+
+		if (page_oob_size == 224)
+			return 16;
 	}
 
 	return 0;
@@ -269,6 +272,9 @@
 		} else if (nand_oobsize == 218) {
 			fcb->ecc_block_n_ecc_type =	8;
 			fcb->ecc_block_0_ecc_type =	8;
+		} else if (nand_oobsize == 224) {
+			fcb->ecc_block_n_ecc_type =	8;
+			fcb->ecc_block_0_ecc_type =	8;
 		}
 	}