[POWERPC] Don't define a custom bd_t for Xilixn Virtex based boards.

Why create a platform specific board_info structure that is hacked
together, ugly, and dangerous, when we've got a perfectly fine common
board_info structure that is hacked-together, ugly and dangerous.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/ppc/platforms/4xx/virtex.h

@@ -14,6 +14,7 @@
 #define __ASM_VIRTEX_H__
 
 #include <asm/ibm405.h>
+#include <asm/ppcboot.h>
 
 /* Ugly, ugly, ugly! BASE_BAUD defined here to keep 8250.c happy. */
 #if !defined(BASE_BAUD)
@@ -21,22 +22,8 @@
 #endif
 
 #ifndef __ASSEMBLY__
-typedef struct board_info {
-	unsigned int	 bi_memsize;		/* DRAM installed, in bytes */
-	unsigned char	 bi_enetaddr[6];	/* Local Ethernet MAC address */
-	unsigned int	 bi_intfreq;		/* Processor speed, in Hz */
-	unsigned int	 bi_busfreq;		/* PLB Bus speed, in Hz */
-	unsigned int	 bi_pci_busfreq;	/* PCI Bus speed, in Hz */
-} bd_t;
-
-/* Some 4xx parts use a different timebase frequency from the internal clock.
- * the Virtex 405 does not, so just use a macro to make tbfreq match intfreq
-*/
-#define bi_tbfreq bi_intfreq
-
 extern const char* virtex_machine_name;
 #define PPC4xx_MACHINE_NAME (virtex_machine_name)
-
 #endif /* !__ASSEMBLY__ */
 
 /* We don't need anything mapped.  Size of zero will accomplish that. */