common: Move PPC4xx_SYS_INFO() et al to arch-specific header

These definitions should not be in common.h. Move them to an arch-specific
header file.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/powerpc/include/asm/ppc4xx.h

@@ -292,6 +292,10 @@ int ppc4xx_pci_sync_clock_config(u32 async);
 unsigned long get_OPB_freq(void);
 unsigned long get_PCI_freq(void);
 
+typedef PPC4xx_SYS_INFO sys_info_t;
+int ppc440spe_revB(void);
+void get_sys_info(sys_info_t *);
+
 #endif	/* __ASSEMBLY__ */
 
 /* for multi-cpu support */

include/common.h

@@ -662,12 +662,6 @@ static inline ulong get_ddr_freq(ulong dummy)
 ulong get_ddr_freq(ulong);
 #endif
 
-#if defined(CONFIG_4xx)
-typedef PPC4xx_SYS_INFO sys_info_t;
-int	ppc440spe_revB(void);
-void	get_sys_info  ( sys_info_t * );
-#endif
-
 int	cpu_init_r    (void);
 
 /* $(CPU)/interrupts.c */