staging: sm7xxfb: rename index var on sm712vga_setup
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 <d98556cef8d7a8ae4702341548cf34e07ca3c02f@igalia.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs