[llvm] [clang] [ARM][AArch32] Add support for AArch32 Cortex-M52 CPU (PR #74822)

[Jonathan Thackray via cfe-commits]

================
@@ -899,6 +899,7 @@ Arm and AArch64 Support
   * Arm Cortex-A520 (cortex-a520).
   * Arm Cortex-A720 (cortex-a720).
   * Arm Cortex-X4 (cortex-x4).
+  * Arm Cortex-M52 (cortex-m52).
----------------
jthackray wrote:

Sure. Something like this?

```
+  --target=arm
+     * Arm Cortex-M52 (cortex-m52).
+
+  --target=aarch64
+     * Arm Cortex-A520 (cortex-a520).
+     * Arm Cortex-A720 (cortex-a720).
+     * Arm Cortex-X4 (cortex-x4).
```

https://github.com/llvm/llvm-project/pull/74822