Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index dfcf4b1..cb36b0d 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -78,7 +78,7 @@
 #define  URXD_FRMERR     (1<<12)
 #define  URXD_BRK        (1<<11)
 #define  URXD_PRERR      (1<<10)
-#define  UCR1_ADEN       (1<<15) /* Auto dectect interrupt */
+#define  UCR1_ADEN       (1<<15) /* Auto detect interrupt */
 #define  UCR1_ADBR       (1<<14) /* Auto detect baud rate */
 #define  UCR1_TRDYEN     (1<<13) /* Transmitter ready interrupt enable */
 #define  UCR1_IDEN       (1<<12) /* Idle condition interrupt */