of: merge of_node_*_flag() and set_node_proc_entry()

Merge common code between PowerPC and Microblaze

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
diff --git a/include/linux/of.h b/include/linux/of.h
index a66c1eb..d5f6662 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -63,6 +63,22 @@
 #endif
 };
 
+static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
+{
+	return test_bit(flag, &n->_flags);
+}
+
+static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
+{
+	set_bit(flag, &n->_flags);
+}
+
+static inline void
+set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
+{
+	dn->pde = de;
+}
+
 #include <asm/prom.h>
 
 /* flag descriptions */