nvidiafb: Add proper support for Geforce 7600 chipset

Add proper support for the Geforce 7600 (device id 0x039x).  This also sync's
nvidiafb with the latest Xorg nv driver.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc drivers/video/nvidia/nv_hw.c
Simple merge

diff --cc drivers/video/nvidia/nv_setup.c
Simple merge

diff --cc drivers/video/nvidia/nv_type.h
Simple merge

diff --cc drivers/video/nvidia/nvidia.c
Simple merge