Driver core: remove pr_fmt() from dynamic_dev_dbg() printk

When pr_fmt() was added to the pr_debug() code, we added it not only to the
dynamic_pr_debug() function, but also to the dynamic_dev_dbg() funciton.
However, dev_dbg() doesn't make use of pr_fmt(), so neither should
dynamic_dev_dbg().
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

include/linux/dynamic_debug.h

@@ -70,7 +70,7 @@ extern int ddebug_remove_module(char *mod_name);
 		DEBUG_HASH2, __LINE__, _DPRINTK_FLAGS_DEFAULT };	\
 	if (__dynamic_dbg_enabled(descriptor))				\
 			dev_printk(KERN_DEBUG, dev,			\
-					KBUILD_MODNAME ": " pr_fmt(fmt),\
+					KBUILD_MODNAME ": " fmt,	\
 					##__VA_ARGS__);			\
 	} while (0)