Revert "mb/google/dedede/var/beadrix: Remove SD controller"

This reverts commit bcd7873ea80be0ee576a10e6a11b7dcf8294ffb5.

Reason for revert: It makes beadrix can't boot to os without depthcharge change. The depthcharge change related with fw_config and will effect other variants.
================ error log ================
...
Starting depthcharge on Beadrix...
src/vboot/util/flag.c:50 flag_install(): Gpio already set up for flag 5.
===========================================

BUG=b:204882915
BRANCH=None
TEST=Build and boot into OS.

Signed-off-by: Teddy Shih <teddyshih@ami.corp-partner.google.com>
Change-Id: Id5e76fc78a56d30caf9f805a8a430f176a653bbe
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60849
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Raymond Chung <raymondchung@ami.corp-partner.google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Henry Sun <henrysun@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/dedede/variants/beadrix/overridetree.cb b/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
index c64765b..97e77439 100644
--- a/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
@@ -52,7 +52,6 @@
 				end
 			end
 		end # USB xHCI
-		device pci 14.5 off end # SDCard
 		device pci 15.0 on
 			chip drivers/i2c/hid
 				register "generic.hid" = ""PIXA2635""