mb/google/dedede/var/beadrix: Update memory part and generate DRAM ID

This change adds memory part used by variant beadrix to
mem_part_used.txt and generates DRAM ID allocated to the part.

BUG=b:236750116
BRANCH=None
TEST=Run part_id_gen to generate SPD id

Signed-off-by: Teddy Shih <teddyshih@ami.corp-partner.google.com>
Change-Id: I3f29609d9fe5143b0bfe4b78279d0780cd7e5097
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65306
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Super Ni <super.ni@intel.corp-partner.google.com>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Ivan Chen <yulunchen@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

src/mainboard/google/dedede/variants/beadrix/memory/Makefile.inc

@@ -4,4 +4,4 @@
 # util/spd_tools/bin/part_id_gen JSL lp4x src/mainboard/google/dedede/variants/beadrix/memory src/mainboard/google/dedede/variants/beadrix/memory/mem_parts_used.txt
 
 SPD_SOURCES =
-SPD_SOURCES += spd/lp4x/set-1/spd-1.hex      # ID = 0(0b0000)  Parts = MT53E512M32D1NP-046 WT:B, K4U6E3S4AA-MGCR
+SPD_SOURCES += spd/lp4x/set-1/spd-1.hex      # ID = 0(0b0000)  Parts = MT53E512M32D1NP-046 WT:B, K4U6E3S4AA-MGCR, H54G46CYRBX267

src/mainboard/google/dedede/variants/beadrix/memory/dram_id.generated.txt

@@ -6,3 +6,4 @@
 DRAM Part Name                 ID to assign
 MT53E512M32D1NP-046 WT:B       0 (0000)
 K4U6E3S4AA-MGCR                0 (0000)
+H54G46CYRBX267                 0 (0000)

src/mainboard/google/dedede/variants/beadrix/memory/mem_parts_used.txt

@@ -11,3 +11,4 @@
 # Part Name
 MT53E512M32D1NP-046 WT:B
 K4U6E3S4AA-MGCR
+H54G46CYRBX267