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/rocket.c b/drivers/tty/rocket.c
index 3780da8a..036feeb 100644
--- a/drivers/tty/rocket.c
+++ b/drivers/tty/rocket.c
@@ -2060,7 +2060,7 @@
 			sClockPrescale = 0x19;
 			rp_baud_base[i] = 230400;
 		} else {
-			/* mod 4 (devide by 5) prescale */
+			/* mod 4 (divide by 5) prescale */
 			sClockPrescale = 0x14;
 			rp_baud_base[i] = 460800;
 		}
@@ -2183,7 +2183,7 @@
 		sClockPrescale = 0x19;	/* mod 9 (divide by 10) prescale */
 		rp_baud_base[i] = 230400;
 	} else {
-		sClockPrescale = 0x14;	/* mod 4 (devide by 5) prescale */
+		sClockPrescale = 0x14;	/* mod 4 (divide by 5) prescale */
 		rp_baud_base[i] = 460800;
 	}