Clocking-wizard: Fixed missing blank line warning

Added a new line after declaration to remove the warning
'Missing a blank line after declarations'

Signed-off-by: Athira Lekshmi <andnlnbn18@gmail.com>
Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>