Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 47db4bf..58c0e41 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -2392,7 +2392,7 @@
 	/*
 	 * clear SerdesEnable and turn the leds off; do this here because
 	 * we are unloading, so don't count on interrupts to move along
-	 * Turn the LEDs off explictly for the same reason.
+	 * Turn the LEDs off explicitly for the same reason.
 	 */
 	dd->ipath_f_quiet_serdes(dd);