acpi: bgrt: fix build error due to attribute change

No need to call sysfs_bin_attr_init, as the attribute is not dynamically
created. Also, we renamed the attribute, so this one isn't even valid
anymore.

Reported-by: Stephen Rothwell <[e-mail]>
Cc: Len Brown <[e-mail]>
Cc: "Rafael J. Wysocki" <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/acpi/bgrt.c

···
 	if (!bgrt_image)
 		return -ENODEV;
 
-	sysfs_bin_attr_init(&image_attr);
 	bin_attr_image.private = bgrt_image;
 	bin_attr_image.size = bgrt_image_size;