staging: octeon: fix missing a blank line after declaration

This patch fixes "WARNING: Missing a blank line after declarations"
Issue found by checkpatch.pl
Signed-off-by: Valery Ivanov <ivalery111@gmail.com>
Link: https://lore.kernel.org/r/20191108142329.GA3192@hwsrv-485799.hostwindsdns.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon/octeon-stubs.h

@@ -1375,6 +1375,7 @@ static inline union cvmx_gmxx_rxx_rx_inbnd cvmx_spi4000_check_speed(
 	int port)
 {
 	union cvmx_gmxx_rxx_rx_inbnd r;
+
 	r.u64 = 0;
 	return r;
 }