std.Target: Fix C type alignment calculation for spirv.

Author: alexrp

lib/std/Target.zig

@@ -2400,9 +2400,6 @@ pub fn c_type_alignment(target: Target, c_type: CType) u16 {
             .nvptx,
             .nvptx64,
             .s390x,
-            .spirv,
-            .spirv32,
-            .spirv64,
             => 8,
 
             .aarch64,
@@ -2417,6 +2414,9 @@ pub fn c_type_alignment(target: Target, c_type: CType) u16 {
             .riscv32,
             .riscv64,
             .sparc64,
+            .spirv,
+            .spirv32,
+            .spirv64,
             .x86_64,
             .ve,
             .wasm32,
@@ -2511,9 +2511,6 @@ pub fn c_type_preferred_alignment(target: Target, c_type: CType) u16 {
             .nvptx,
             .nvptx64,
             .s390x,
-            .spirv,
-            .spirv32,
-            .spirv64,
             => 8,
 
             .aarch64,
@@ -2528,6 +2525,9 @@ pub fn c_type_preferred_alignment(target: Target, c_type: CType) u16 {
             .riscv32,
             .riscv64,
             .sparc64,
+            .spirv,
+            .spirv32,
+            .spirv64,
             .x86_64,
             .ve,
             .wasm32,