docs: Enable all missing module docs

Change-Id: I9a1f575bf3eb1152c16920f147e160857abbcb3f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/45082
Reviewed-by: Armando Montanez <amontanez@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Pigweed-Auto-Submit: Ewout van Bekkum <ewout@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/docs/BUILD.gn b/docs/BUILD.gn
index b01e53f..89c957f 100644
--- a/docs/BUILD.gn
+++ b/docs/BUILD.gn
@@ -57,6 +57,7 @@
   deps = [
     "$dir_docker:docs",
     "$dir_pw_allocator:docs",
+    "$dir_pw_analog:docs",
     "$dir_pw_arduino_build:docs",
     "$dir_pw_assert:docs",
     "$dir_pw_assert_basic:docs",
@@ -95,6 +96,8 @@
     "$dir_pw_log_rpc:docs",
     "$dir_pw_log_sink:docs",
     "$dir_pw_log_tokenized:docs",
+    "$dir_pw_malloc:docs",
+    "$dir_pw_malloc_freelist:docs",
     "$dir_pw_metric:docs",
     "$dir_pw_minimal_cpp_stdlib:docs",
     "$dir_pw_module:docs",