staging: vt6655: Rename `dwAL7230ChannelTable2` array

To align with the kernel coding style, remove the type from
the variable name and do not use CamelCase.

Fix issue detected by checkpatch.pl:
  CHECK: Avoid CamelCase: <dwAL7230ChannelTable2>

Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Link: https://lore.kernel.org/r/055bde0a3206573209b757a22ab150c02f50f007.1635171519.git.karolinadrobnik@gmail.com


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