[MIPS] Malta, Atlas: move an extern function declaration to the header file

This was compile-tested using default configs for the boards
affected by this change.

This patch does not introduce any functional changes.
Signed-off-by: NDmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/mips-boards/atlas/atlas_setup.c

@@ -34,10 +34,6 @@
 #include <asm/time.h>
 #include <asm/traps.h>
 
-#ifdef CONFIG_KGDB
-extern void kgdb_config(void);
-#endif
-
 static void __init serial_init(void);
 
 const char *get_system_type(void)

arch/mips/mips-boards/malta/malta_setup.c

@@ -35,10 +35,6 @@
 #include <linux/console.h>
 #endif
 
-#ifdef CONFIG_KGDB
-extern void kgdb_config(void);
-#endif
-
 struct resource standard_io_resources[] = {
 	{
 		.name = "dma1",

include/asm-mips/mips-boards/generic.h

@@ -105,4 +105,8 @@ extern void mips_pcibios_init(void);
 #define mips_pcibios_init() do { } while (0)
 #endif
 
+#ifdef CONFIG_KGDB
+extern void kgdb_config(void);
+#endif
+
 #endif  /* __ASM_MIPS_BOARDS_GENERIC_H */