mb/google/brox/var/juchi: Add 2 memory parts and generate DRAM IDs

Add two new memory parts
1. Mircon MT62F1G32D2DS-023 WT:C
2. Samsung K3KL8L80DM-MGCU

BUG=b:481602501
TEST=Run part_id_gen tool and check the generated files.

Change-Id: Ibce661a09f8ad7daec8582508d775e0d7ac4e51f
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91504
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

src/mainboard/google/brox/variants/juchi/memory/Makefile.mk

@@ -6,5 +6,5 @@
 SPD_SOURCES =
 SPD_SOURCES += spd/lp5/set-0/spd-1.hex      # ID = 0(0b0000)  Parts = MT62F512M32D2DR-031 WT:B, H9JCNNNBK3MLYR-N6E
 SPD_SOURCES += spd/lp5/set-0/spd-2.hex      # ID = 1(0b0001)  Parts = MT62F1G32D4DR-031 WT:B
-SPD_SOURCES += spd/lp5/set-0/spd-11.hex      # ID = 2(0b0010)  Parts = MT62F1G32D2DS-023 WT:B, H58G56BK8BX068, H58G56CK8BX146
+SPD_SOURCES += spd/lp5/set-0/spd-11.hex      # ID = 2(0b0010)  Parts = MT62F1G32D2DS-023 WT:B, H58G56BK8BX068, H58G56CK8BX146, MT62F1G32D2DS-023 WT:C, K3KL8L80DM-MGCU
 SPD_SOURCES += spd/lp5/set-0/spd-7.hex      # ID = 3(0b0011)  Parts = K3KL8L80CM-MGCT

src/mainboard/google/brox/variants/juchi/memory/dram_id.generated.txt

@@ -11,3 +11,5 @@ MT62F1G32D2DS-023 WT:B         2 (0010)
 H58G56BK8BX068                 2 (0010)
 K3KL8L80CM-MGCT                3 (0011)
 H58G56CK8BX146                 2 (0010)
+MT62F1G32D2DS-023 WT:C         2 (0010)
+K3KL8L80DM-MGCU                2 (0010)

src/mainboard/google/brox/variants/juchi/memory/mem_parts_used.txt

@@ -5,3 +5,5 @@ MT62F1G32D2DS-023 WT:B
 H58G56BK8BX068
 K3KL8L80CM-MGCT
 H58G56CK8BX146
+MT62F1G32D2DS-023 WT:C
+K3KL8L80DM-MGCU