microblaze: export assembly functions used by modules

Export __strncpy_user, memory_size, ioremap_bot for modules.

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/microblaze_ksyms.c b/arch/microblaze/kernel/microblaze_ksyms.c
index ecfb852..ff85f77 100644
--- a/arch/microblaze/kernel/microblaze_ksyms.c
+++ b/arch/microblaze/kernel/microblaze_ksyms.c
@@ -57,6 +57,7 @@
  * 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);
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index f42c2dd..cca3579 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -47,6 +47,7 @@
 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.
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 784557f..59bf233 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/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.