edac: fold __func__ into edac_debug_printk

This shortens debugfX() calls a bit.
Reviewed-by: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

drivers/edac/edac_core.h

@@ -79,7 +79,8 @@ extern int edac_debug_level;
 #define edac_debug_printk(level, fmt, arg...)                           \
 	do {                                                            \
 		if (level <= edac_debug_level)                          \
-			edac_printk(KERN_DEBUG, EDAC_DEBUG, fmt, ##arg); \
+			edac_printk(KERN_DEBUG, EDAC_DEBUG,		\
+				    "%s: " fmt, __func__, ##arg);	\
 	} while (0)
 #else  /* CONFIG_EDAC_DEBUG_VERBOSE */
 #define edac_debug_printk(level, fmt, arg...)                            \