mb/google/dedede: Update SPD table for galtic

galtic memory table as follow:
value	Vendor	Part number
0x00	MICRON	MT53E512M32D2NP-046 WT:E
0x00	HYNIX	H9HCNNNBKMMLXR-NEE
0x01	MICRON	MT53E1G32D2NP-046 WT:A
0x02	HYNIX	H9HCNNNCPMMLXR-NEE

BUG=b:170913840
BRANCH=none
TEST=emerge-dedede coreboot

Signed-off-by: FrankChu <frank_chu@pegatron.corp-partner.google.com>
Change-Id: I30b8fe3f14e1af7bb5760530477f9311c6a4ee62
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48655
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

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

@@ -2,4 +2,7 @@
 ## This is an auto-generated file. Do not edit!!
 ## Add memory parts in mem_parts_used.txt and run spd_tools to regenerate.
 
-SPD_SOURCES = placeholder.spd.hex
+SPD_SOURCES =
+SPD_SOURCES += lp4x-spd-1.hex      # ID = 0(0b0000)  Parts = H9HCNNNBKMMLXR-NEE , MT53E512M32D2NP-046 WT:E
+SPD_SOURCES += lp4x-spd-4.hex      # ID = 1(0b0001)  Parts = MT53E1G32D2NP-046 WT:A
+SPD_SOURCES += lp4x-spd-3.hex      # ID = 2(0b0010)  Parts = H9HCNNNCPMMLXR-NEE

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

@@ -1 +1,5 @@
 DRAM Part Name                 ID to assign
+H9HCNNNBKMMLXR-NEE             0 (0000)
+MT53E512M32D2NP-046 WT:E       0 (0000)
+MT53E1G32D2NP-046 WT:A         1 (0001)
+H9HCNNNCPMMLXR-NEE             2 (0010)

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

@@ -4,3 +4,7 @@
 # See util/spd_tools/lp4x/README.md for more details and instructions.
 
 # Part Name
+H9HCNNNBKMMLXR-NEE, 0
+MT53E512M32D2NP-046 WT:E, 0
+MT53E1G32D2NP-046 WT:A, 1
+H9HCNNNCPMMLXR-NEE, 2