staging: ks7010: fix checkpatch LINE_SPACING

Checkpatch emits CHECK: Please use a blank line after
function/struct/union/enum declarations.

Add blank line after function definition.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>