[roll pigweed] pw_toolchain: Add arm_clang CPUs

Adds CPUs to arm_clang to match support in arm_gcc.
- m4
- m7
- m7f
- m33
- m33f

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/106836

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 855f2633b08fb3e..dbe5a878e471614
Roller-URL: https://ci.chromium.org/b/8805645646675367409
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I6f4e285e6fcf38ce082b3ba79908f88ee361bc62
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/106838
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/pigweed b/pigweed
index 855f263..dbe5a87 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 855f2633b08fb3e63d4e64ce2f46564994bc6f06
+Subproject commit dbe5a878e471614d92c3619436f1c6a5f24d5e6c