Resolve shadow warnings that appear in W=2 builds by renaming
the "state" global to "vgastate".
Signed-off-by: NMark Rustad <mark.d.rustad@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>