metag: move mm/init.c exports out of metag_ksyms.c

It's less error prone to have function symbols exported immediately
after the function rather than in metag_ksyms.c. Move each EXPORT_SYMBOL
in metag_ksyms.c for symbols defined in mm/init.c into mm/init.c.
Signed-off-by: NJames Hogan <james.hogan@imgtec.com>

arch/metag/kernel/metag_ksyms.c

@@ -11,9 +11,7 @@
 
 EXPORT_SYMBOL(clear_page);
 EXPORT_SYMBOL(copy_page);
-EXPORT_SYMBOL(empty_zero_page);
 
-EXPORT_SYMBOL(pfn_base);
 #ifdef CONFIG_FLATMEM
 /* needed for the pfn_valid macro */
 EXPORT_SYMBOL(max_pfn);

arch/metag/mm/init.c

@@ -3,6 +3,7 @@
  *
  */
 
+#include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
 #include <linux/init.h>
@@ -25,10 +26,12 @@
 #include <asm/fixmap.h>
 
 unsigned long pfn_base;
+EXPORT_SYMBOL(pfn_base);
 
 pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_data;
 
 unsigned long empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
 
 extern char __user_gateway_start;
 extern char __user_gateway_end;