uio: Remove leading spaces in Kconfig

Remove leading spaces before tabs in Kconfig file(s) by running the
following command:

  $ find drivers/uio -name 'Kconfig*' | xargs sed -r -i 's/^[ ]+\t/\t/'
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Link: https://lore.kernel.org/r/20210517095837.81783-1-juergh@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/uio/Kconfig

@@ -18,7 +18,7 @@ config UIO_CIF
 	depends on PCI
 	help
 	  Driver for Hilscher CIF DeviceNet and Profibus cards.  This
-  	  driver requires a userspace component called cif that handles
+	  driver requires a userspace component called cif that handles
 	  all of the heavy lifting and can be found at:
 	        <http://www.osadl.org/projects/downloads/UIO/user/>