Driver core: rename ktype_edd and ktype_efivar

This makes it a bit more sane when trying to figure out how to clean up
the ktype mess.

Based on a larger patch from Kay Sievers

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 0fb730e..6942e06 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -625,13 +625,13 @@
 	kfree(dev);
 }
 
-static struct kobj_type ktype_edd = {
+static struct kobj_type edd_ktype = {
 	.release	= edd_release,
 	.sysfs_ops	= &edd_attr_ops,
 	.default_attrs	= def_attrs,
 };
 
-static decl_subsys(edd,&ktype_edd,NULL);
+static decl_subsys(edd, &edd_ktype, NULL);
 
 
 /**