staging: vt6655: Remove extra blank lines between code blocks

Adhere to Linux kernel coding style.

Reported by checkpatch:

drivers/staging/vt6655/rxtx.h:22: CHECK: Please don't use multiple blank lines

Signed-off-by: Pranav Athreya <pranavsubbu@gmail.com>
Link: https://lore.kernel.org/r/ZaDFm6XX7HiGWn58@pop-os


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>