microblaze: export assembly functions used by modules

Export __strncpy_user, memory_size, ioremap_bot for modules.
Signed-off-by: Michal Simek <monstr@monstr.eu>

arch/microblaze/kernel/microblaze_ksyms.c

@@ -57,6 +57,7 @@ EXPORT_SYMBOL(_mcount);
  * Assembly functions that may be used (directly or indirectly) by modules
  */
 EXPORT_SYMBOL(__copy_tofrom_user);
+EXPORT_SYMBOL(__strncpy_user);
 
 #ifdef CONFIG_OPT_LIB_ASM
 EXPORT_SYMBOL(memcpy);

arch/microblaze/mm/init.c

@@ -47,6 +47,7 @@ unsigned long memory_start;
 EXPORT_SYMBOL(memory_start);
 unsigned long memory_end; /* due to mm/nommu.c */
 unsigned long memory_size;
+EXPORT_SYMBOL(memory_size);
 
 /*
  * paging_init() sets up the page tables - in fact we've already done this.

arch/microblaze/mm/pgtable.c

@@ -42,6 +42,7 @@
 
 unsigned long ioremap_base;
 unsigned long ioremap_bot;
+EXPORT_SYMBOL(ioremap_bot);
 
 /* The maximum lowmem defaults to 768Mb, but this can be configured to
  * another value.