staging: lustre: Fix "Possible intergrate"->"Possibly integrate"

Trivial fix to spelling mistake in TODO file.
Signed-off-by: Sabin Mihai Rapan <sabin.rapan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/TODO

@@ -12,7 +12,7 @@ addressed:
 * https://jira.hpdd.intel.com/browse/LU-9859
 *
 * Track all the cleanups and simplification of the libcfs module. Remove
-* functions the kernel provides. Possible intergrate some of the functionality
+* functions the kernel provides. Possibly integrate some of the functionality
 * into the kernel proper.
 *
 ******************************************************************************