OneNAND: handle byte access on BufferRAM

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

include/linux/mtd/onenand.h

@@ -130,6 +130,9 @@ struct onenand_chip {
 #define ONENAND_SET_SYS_CFG1(v, this)					\
 	(this->write_word(v, this->base + ONENAND_REG_SYS_CFG1))
 
+/* Check byte access in OneNAND */
+#define ONENAND_CHECK_BYTE_ACCESS(addr)		(addr & 0x1)
+
 /*
  * Options bits
  */