Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/usb/otg/isp1301_omap.c b/drivers/usb/otg/isp1301_omap.c
index 8c6fdef..e25700f 100644
--- a/drivers/usb/otg/isp1301_omap.c
+++ b/drivers/usb/otg/isp1301_omap.c
@@ -1531,7 +1531,7 @@
 	i2c_set_clientdata(i2c, isp);
 	isp->client = i2c;
 
-	/* verify the chip (shouldn't be necesary) */
+	/* verify the chip (shouldn't be necessary) */
 	status = isp1301_get_u16(isp, ISP1301_VENDOR_ID);
 	if (status != I2C_VENDOR_ID_PHILIPS) {
 		dev_dbg(&i2c->dev, "not philips id: %d\n", status);