util/spd_tools: Add Intel Meteor Lake (MTL) platform

This patch add support for MTL platform to the `spd_tools`.
This would be useful to create dynamic SPD for rex variants.

BUG=b:224325352
TEST=Able to generate SPD for LP5 DRAM part.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I1db6e3a63d2842c12ef0f256ba1d32b9258670f8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65473
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tarun Tuli <taruntuli@google.com>

spd/lp5/platforms_manifest.generated.txt

@@ -2,4 +2,5 @@
 # util/spd_tools/bin/spd_gen spd/lp5/memory_parts.json lp5
 
 ADL,set-0
+MTL,set-0
 SBR,set-1

util/spd_tools/src/part_id_gen/part_id_gen.go

@@ -41,6 +41,7 @@ var supportedPlatforms = [...]string{
 	"PCO",
 	"CZN",
 	"SBR",
+	"MTL",
 }
 
 var supportedMemTechs = [...]string{

util/spd_tools/src/spd_gen/lp5.go

@@ -172,7 +172,7 @@ const (
 /* ------------------------------------------------------------------------------------------ */
 
 var LP5PlatformSetMap = map[int][]int{
-	0: {PlatformADL},
+	0: {PlatformMTL, PlatformADL},
 	1: {PlatformSBR},
 }
 

util/spd_tools/src/spd_gen/spd_gen.go

@@ -73,6 +73,7 @@ const (
 	PlatformPCO
 	PlatformCZN
 	PlatformSBR
+	PlatformMTL
 	PlatformMax
 )
 
@@ -92,6 +93,7 @@ var platformNames = map[int]string{
 	PlatformPCO: "PCO",
 	PlatformCZN: "CZN",
 	PlatformSBR: "SBR",
+	PlatformMTL: "MTL",
 }
 
 var memTechMap = map[string]memTech{