fix violations of coding rules in arch/imxrt and fix typo in timer
ERROR: [IDT_M_TAB] code indent should use tabs where possible
ERROR: [IDT_M_TAB] please, no spaces at the start of a line
writeable -> writable
@@ -336,7 +336,7 @@ static int timer_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
/*
* cmd: TCIOC_GETSTATUS
* Description: Get the status of the timer.
- * Argument: A writeable pointer to struct timer_status_s.
+ * Argument: A writable pointer to struct timer_status_s.
*/
case TCIOC_GETSTATUS: {
