TQM8272: Fix compiling error for the TQM8272 board.

Fix compile problems caused by
commit  cfa460adfdefcc30d104e1a9ee44994ee349bb7b

Signed-off-by: Heiko Schocher <hs@denx.de>

board/tqc/tqm8272/tqm8272.c

@@ -1069,10 +1069,22 @@ int update_flash_size (int flash_size)
 
 static u8 hwctl = 0;
 
-static void upmnand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+static void upmnand_write_byte(struct mtd_info *mtdinfo, u_char byte)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtdinfo->priv;
+	ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
 
+	if (hwctl & 0x1) {
+		WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_CMD_OFS);
+	} else if (hwctl & 0x2) {
+		WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_ADDR_OFS);
+	} else {
+		WRITE_NAND(byte, base);
+	}
+}
+
+static void upmnand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
 	if (ctrl & NAND_CTRL_CHANGE) {
 		if ( ctrl & NAND_CLE )
 			hwctl |= 0x1;
@@ -1084,21 +1096,7 @@ static void upmnand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 			hwctl &= ~0x2;
 	}
 	if (cmd != NAND_CMD_NONE)
-		writeb(cmd, this->IO_ADDR_W);
-}
-
-static void upmnand_write_byte(struct mtd_info *mtdinfo, u_char byte)
-{
-	struct nand_chip *this = mtdinfo->priv;
-	ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
-
-	if (hwctl & 0x1) {
-		WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_CMD_OFS);
-	} else if (hwctl & 0x2) {
-		WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_ADDR_OFS);
-	} else {
-		WRITE_NAND(byte, base);
-	}
+		upmnand_write_byte (mtd, cmd);
 }
 
 static u_char upmnand_read_byte(struct mtd_info *mtdinfo)
@@ -1191,7 +1189,6 @@ int board_nand_init(struct nand_chip *nand)
 
 	nand->cmd_ctrl	 = upmnand_hwcontrol;
 	nand->read_byte	 = upmnand_read_byte;
-	nand->write_byte = upmnand_write_byte;
 	nand->dev_ready	 = tqm8272_dev_ready;
 
 #ifndef CONFIG_NAND_SPL