of/device: merge of_device_uevent

Merge common code between powerpc and microblaze

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
CC: Michal Simek <monstr@monstr.eu>
CC: Wolfram Sang <w.sang@pengutronix.de>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: microblaze-uclinux@itee.uq.edu.au
CC: linuxppc-dev@ozlabs.org

arch/powerpc/include/asm/of_device.h

@@ -9,8 +9,5 @@ extern struct of_device *of_device_alloc(struct device_node *np,
 					 const char *bus_id,
 					 struct device *parent);
 
-extern int of_device_uevent(struct device *dev,
-			    struct kobj_uevent_env *env);
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_OF_DEVICE_H */