[third_party/pigweed] Roll 2 commits

e35b4a1725d815a pw_chrono_stl: Extend CMake support
e6c298de0b02ef0 pw_cpu_exception_cortex_m: Extend CMake support

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 880604084981fca..e35b4a1725d815a
Roller-URL: https://ci.chromium.org/b/8824480141910438993
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8824480141910438993
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I36858585d2f70bf68a8e77834fec6025b5132d13
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/79883
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/third_party/pigweed b/third_party/pigweed
index 8806040..e35b4a1 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 880604084981fcac5299c55cad4f7cc7f1039f15
+Subproject commit e35b4a1725d815acfcfb8117893ee712cf6119cb