Fix typo in marvell octeontx2 documentation

Documentation/networking/device_drivers/ethernet/marvell/octeontx2.rst
Fixes a spelling mistake: "funcionality" → "functionality".

Signed-off-by: Faisal Bukhari <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Faisal-523

Documentation/networking/device_drivers/ethernet/marvell/octeontx2.rst

@@ -66,7 +66,7 @@ Admin Function driver
 As mentioned above RVU PF0 is called the admin function (AF), this driver
 supports resource provisioning and configuration of functional blocks.
 Doesn't handle any I/O. It sets up few basic stuff but most of the
-funcionality is achieved via configuration requests from PFs and VFs.
+functionality is achieved via configuration requests from PFs and VFs.
 
 PF/VFs communicates with AF via a shared memory region (mailbox). Upon
 receiving requests AF does resource provisioning and other HW configuration.