Add support for Linux-like kallsysms

The kernel stores address<->symbol names in it so things can be decoded at
runtime.  Do it in U-Boot, and we get nice symbol decoding when crashing.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

include/common.h

@@ -300,6 +300,9 @@ int	misc_init_r   (void);
 /* common/exports.c */
 void	jumptable_init(void);
 
+/* common/kallsysm.c */
+const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
+
 /* api/api.c */
 void	api_init (void);
 

include/configs/bfin_adi_common.h

@@ -91,7 +91,7 @@
  */
 #define CONFIG_ENV_OVERWRITE	1
 #define CONFIG_DEBUG_DUMP	1
-#define CONFIG_DEBUG_DUMP_SYMS	1
+#define CONFIG_KALLSYMS		1
 #define CONFIG_PANIC_HANG	1
 
 /*