staging: vt6655: Rename two dimensional array declaration

Rename two dimensional array declaration to fix checkpatch warning: Avoid
Camelcase and make the declaration more readable and understandable

Signed-off-by: Madhumitha Prabakaran <madhumithabiw@gmail.com>
Link: https://lore.kernel.org/r/20210315004641.378933-1-madhumithabiw@gmail.com


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