staging: sm7xxfb: rename index var on sm712vga_setup

This patchs renames index var on sm712vga_setup.

Tested with SM712.

Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed