staging: mt7621-pci: Update driver TODO file

Removed extra whitespace
Signed-off-by: Abheek Dhawan <adawesomeguy222@gmail.com>
Link: https://lore.kernel.org/r/20200912064542.412487-1-adawesomeguy222@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-pci/TODO

 
 - general code review and cleanup
 
-Cc:  NeilBrown <neil@brown.name>
+Cc: NeilBrown <neil@brown.name>