openrisc: Export ioremap symbols used by modules

Noticed this when building with allyesconfig.  Got build failures due
to iounmap and __ioremap symbols missing.  This patch exports them so
modules can use them.  This is inline with other architectures.

Signed-off-by: Stafford Horne <shorne@gmail.com>
This commit is contained in:
Stafford Horne 2017-02-05 15:32:26 +09:00
commit a0eba4f7eb