[PATCH] dt: include linux/errno.h in linux/of_address.h

of_address.h makes reference to some of the error code #defines, so it
needs to include errno.h.  If CONFIG_PCI is not selected, then some files
will fail to compile.

Signed-off-by: Grant Likely <redacted>
---
 include/linux/of_address.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index 4fbea28..b651028 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h

@@ -1,6 +1,7 @@
 #ifndef __OF_ADDRESS_H
 #define __OF_ADDRESS_H
 #include <linux/ioport.h>
+#include <linux/errno.h>
 #include <linux/of.h>
 
 extern int of_address_count(struct device_node *np);