Add alderlake arch variant

Test: m --no-skip-soong-tests
Bug: 368997831

Change-Id: Iec89c1358fea29f1b1d7a0433ad1d3b4375b8625
diff --git a/rust/config/x86_64_device.go b/rust/config/x86_64_device.go
index fee1923..3c484d8 100644
--- a/rust/config/x86_64_device.go
+++ b/rust/config/x86_64_device.go
@@ -29,6 +29,7 @@
 
 	x86_64ArchVariantRustFlags = map[string][]string{
 		"":                            []string{},
+		"alderlake":                   []string{"-C target-cpu=alderlake"},
 		"broadwell":                   []string{"-C target-cpu=broadwell"},
 		"goldmont":                    []string{"-C target-cpu=goldmont"},
 		"goldmont-plus":               []string{"-C target-cpu=goldmont-plus"},
diff --git a/rust/config/x86_device.go b/rust/config/x86_device.go
index 5d9d88a..3c597cc 100644
--- a/rust/config/x86_device.go
+++ b/rust/config/x86_device.go
@@ -27,6 +27,7 @@
 
 	x86ArchVariantRustFlags = map[string][]string{
 		"":                            []string{},
+		"alderlake":                   []string{"-C target-cpu=alderlake"},
 		"atom":                        []string{"-C target-cpu=atom"},
 		"broadwell":                   []string{"-C target-cpu=broadwell"},
 		"goldmont":                    []string{"-C target-cpu=goldmont"},