ia64: export flush_icache_range for module use

This is needed the following modules:

"Linux Kernel Dump Test Tool Module"
CONFIG_LKDTM		drivers/misc/lkdtm.c

Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index 5b7791d..0967310 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -96,3 +96,6 @@
 /* mcount is defined in assembly */
 EXPORT_SYMBOL(_mcount);
 #endif
+
+#include <asm/cacheflush.h>
+EXPORT_SYMBOL_GPL(flush_icache_range);