drivers: ieee802154: fix spelling of "written"

#define DWT_TX_FCTRL_PE_MASK        0x00300000UL

/* Bit mask to access Transmit Preamble Symbol Repetitions (PSR). */

#define DWT_TX_FCTRL_TXPSR_PE_MASK  0x003C0000UL

/* FSCTRL has fields which should always be writen zero */

/* FSCTRL has fields which should always be written zero */

#define DWT_TX_FCTRL_SAFE_MASK_32   0xFFFFE3FFUL

/* Transmit Bit Rate = 110k */

#define DWT_TX_FCTRL_TXBR_110k      0x00000000UL

#define DWT_SYS_CTRL_LEN            4

/*

 * System Control Register access mask

 * (all unused fields should always be writen as zero)

 * (all unused fields should always be written as zero)

 */

#define DWT_SYS_CTRL_MASK_32        0x010003CFUL

/* Suppress Auto-FCS Transmission (on this frame) */

#define DWT_SYS_MASK_LEN            4

/*

 * System Event Mask Register access mask

 * (all unused fields should always be writen as zero)

 * (all unused fields should always be written as zero)

 */

#define DWT_SYS_MASK_MASK_32        0x3FF7FFFEUL

/* Mask clock PLL lock event */

#define DWT_SYS_STATUS_LEN          5

/*

 * System event Status Register access mask

 * (all unused fields should always be writen as zero)

 * (all unused fields should always be written as zero)

 */

#define DWT_SYS_STATUS_MASK_32      0xFFF7FFFFUL

/* Interrupt Request Status READ ONLY */

#define DWT_RX_FINFO_LEN            4

/*

 * System event Status Register access mask

 * (all unused fields should always be writen as zero)

 * (all unused fields should always be written as zero)

 */

#define DWT_RX_FINFO_MASK_32        0xFFFFFBFFUL

/* Receive Frame Length (0 to 127) */

#define DWT_RX_TTCKO_LEN            5

/*

 * Receiver Time Tracking Offset access mask

 * (all unused fields should always be writen as zero)

 * (all unused fields should always be written as zero)

 */

#define DWT_RX_TTCKO_MASK_32        0xFF07FFFFUL

/* RX time tracking offset. This RXTOFS value is a 19-bit signed quantity */