fbdev: nvidia: remove the dependency on PPC_OF

The OF functionality has moved to a common place and be used by many
archs. So we don't need to include the ppc arch specific header files
and depend on PPC_OF option any more. This is a preparation for
killing PPC_OF.

Signed-off-by: Kevin Hao <[e-mail]>
Acked-by: Benjamin Herrenschmidt <[e-mail]>
Acked-by: Tomi Valkeinen <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

drivers/video/fbdev/nvidia/Makefile

···
 obj-$(CONFIG_FB_NVIDIA)          += nvidiafb.o
 
 nvidiafb-y                       := nvidia.o nv_hw.o nv_setup.o \
-			            nv_accel.o
+			            nv_accel.o nv_of.o
 nvidiafb-$(CONFIG_FB_NVIDIA_I2C) += nv_i2c.o
 nvidiafb-$(CONFIG_FB_NVIDIA_BACKLIGHT)  += nv_backlight.o
-nvidiafb-$(CONFIG_PPC_OF)	 += nv_of.o
 
 nvidiafb-objs                    := $(nvidiafb-y)

drivers/video/fbdev/nvidia/nv_of.c

···
 
 #include <asm/io.h>
 
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-
 #include "nv_type.h"
 #include "nv_local.h"
 #include "nv_proto.h"

drivers/video/fbdev/nvidia/nv_proto.h

···
 #define nvidia_probe_i2c_connector(p, c, edid) (-1)
 #endif
 
-#ifdef CONFIG_PPC_OF
 int nvidia_probe_of_connector(struct fb_info *info, int conn,
 			      u8 ** out_edid);
-#else
-static inline int nvidia_probe_of_connector(struct fb_info *info, int conn,
-				      u8 ** out_edid)
-{
-	return -1;
-}
-#endif
 
 /* in nv_accel.c */
 extern void NVResetGraphics(struct fb_info *info);

drivers/video/fbdev/nvidia/nvidia.c

···
 #ifdef CONFIG_MTRR
 #include <asm/mtrr.h>
 #endif
-#ifdef CONFIG_PPC_OF
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#endif
 #ifdef CONFIG_BOOTX_TEXT
 #include <asm/btext.h>
 #endif