staging: octeon-usb octeon-hcd: Fix several typos.

I found that the comments had several typos such as "aenable", "internaly" and some others.
I fixed them all.
Signed-off-by: Laura Lazzati <laura.lazzati.15@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon-usb/octeon-hcd.h

@@ -1711,7 +1711,7 @@ union cvmx_usbnx_usbp_ctl_status {
 	 *	Indicates an internal error was detected during
 	 *	the BIST sequence.
 	 * @tdata_out: PHY Test Data Out.
-	 *	Presents either internaly generated signals or
+	 *	Presents either internally generated signals or
 	 *	test register contents, based upon the value of
 	 *	test_data_out_sel.
 	 * @siddq: Drives the USBP (USB-PHY) SIDDQ input.
@@ -1737,7 +1737,7 @@ union cvmx_usbnx_usbp_ctl_status {
 	 *	to D+. When an A/B device is acting as a host
 	 *	(downstream-facing port), dp_pulldown and
 	 *	dm_pulldown are enabled. This must not toggle
-	 *	during normal opeartion.
+	 *	during normal operation.
 	 * @dm_pulld: PHY DM_PULLDOWN input to the USB-PHY.
 	 *	This signal enables the pull-down resistance on
 	 *	the D- line. '1' pull down-resistance is connected
@@ -1745,7 +1745,7 @@ union cvmx_usbnx_usbp_ctl_status {
 	 *	to D-. When an A/B device is acting as a host
 	 *	(downstream-facing port), dp_pulldown and
 	 *	dm_pulldown are enabled. This must not toggle
-	 *	during normal opeartion.
+	 *	during normal operation.
 	 * @hst_mode: When '0' the USB is acting as HOST, when '1'
 	 *	USB is acting as device. This field needs to be
 	 *	set while the USB is in reset.
@@ -1784,7 +1784,7 @@ union cvmx_usbnx_usbp_ctl_status {
 	 *	Used to activate BIST in the PHY.
 	 * @tdata_sel: Test Data Out Select.
 	 *	'1' test_data_out[3:0] (PHY) register contents
-	 *	are output. '0' internaly generated signals are
+	 *	are output. '0' internally generated signals are
 	 *	output.
 	 * @taddr_in: Mode Address for Test Interface.
 	 *	Specifies the register address for writing to or