staging: vt6655: Rename function CARDbGetCurrentTSF

The name of the function uses CamelCase which
is not accepted by checkpatch.pl

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/2b92db8d67e8dd1fc85b45efe3b32d2199371190.1651435890.git.philipp.g.hortmann@gmail.com


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