[SPARC]: Centralize find_in_proplist() instead of duplicating N times.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/asm-sparc/prom.h

@@ -67,6 +67,7 @@ extern int of_set_property(struct device_node *node, const char *name, void *val
 extern int of_getintprop_default(struct device_node *np,
 				 const char *name,
 				 int def);
+extern int of_find_in_proplist(const char *list, const char *match, int len);
 
 extern void prom_build_devicetree(void);