ColdFire: Correct bit definition

Use correct definition for _MASK and _UNMASK. It was combined in
the previous used and causes confusion.

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
diff --git a/board/freescale/m54455evb/m54455evb.c b/board/freescale/m54455evb/m54455evb.c
index 293b5b0..866694f 100644
--- a/board/freescale/m54455evb/m54455evb.c
+++ b/board/freescale/m54455evb/m54455evb.c
@@ -107,7 +107,7 @@
 {
 	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
 
-	gpio->par_fec |= (gpio->par_fec & GPIO_PAR_FEC_FEC1_MASK) | 0x10;
+	gpio->par_fec |= (gpio->par_fec & GPIO_PAR_FEC_FEC1_UNMASK) | 0x10;
 	gpio->par_feci2c |=
 	    (gpio->par_feci2c & 0xF0FF) | (GPIO_PAR_FECI2C_MDC1_ATA_DIOR |
 					   GPIO_PAR_FECI2C_MDIO1_ATA_DIOW);