usb: typec: Fix copy paste error for NVIDIA alt-mode description

The name of the module for the NVIDIA alt-mode is incorrect as it
looks to be a copy-paste error from the entry above, update it to
the correct typec_nvidia module name.

Cc: Ajay Gupta <ajayg@nvidia.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: NPeter Robinson <pbrobinson@gmail.com>
Link: https://lore.kernel.org/r/20210106001605.167917-1-pbrobinson@gmail.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/typec/altmodes/Kconfig

@@ -20,6 +20,6 @@ config TYPEC_NVIDIA_ALTMODE
 	  to enable support for VirtualLink devices with NVIDIA GPUs.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called typec_displayport.
+	  module will be called typec_nvidia.
 
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