spd/lp4x: Add CXMT CXDB5CBAM-MA-B memory

Generate initial SPD matched for CXMT CXDB5CBAM-MA-B.

BUG=b:451917928
TEST=1. make -C util/spd_tools
     2. util/spd_tools/bin/spd_gen spd/lp4x/memory_parts.json lp4x

Change-Id: Ib071aacd8aae0f22ee3d17544166b39d41f3f476
Signed-off-by: Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89921
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

spd/lp4x/memory_parts.json

@@ -449,6 +449,18 @@
                 "ranksPerChannel": 1,
                 "speedMbps": 4267
             }
+        },
+        {
+            "name": "CXDB5CBAM-MA-B",
+            "attribs": {
+                "densityPerChannelGb": 16,
+                "banks": 8,
+                "channelsPerDie": 1,
+                "diesPerPackage": 2,
+                "bitWidthPerChannel": 16,
+                "ranksPerChannel": 1,
+                "speedMbps": 4267
+            }
         }
 
     ]

spd/lp4x/set-0/parts_spd_manifest.generated.txt

@@ -38,3 +38,4 @@ SDVB8D8A34XGCL3N3T,spd-1.hex
 NT6AP512T32BL-J1,spd-8.hex
 NT6AP1024F32BL-J1,spd-9.hex
 B3221XM3BDGVI,spd-10.hex
+CXDB5CBAM-MA-B,spd-10.hex

spd/lp4x/set-1/parts_spd_manifest.generated.txt

@@ -38,3 +38,4 @@ SDVB8D8A34XGCL3N3T,spd-5.hex
 NT6AP512T32BL-J1,spd-11.hex
 NT6AP1024F32BL-J1,spd-12.hex
 B3221XM3BDGVI,spd-13.hex
+CXDB5CBAM-MA-B,spd-13.hex