[roll pigweed] pw_boot_cortex_m: Rearrange unused_space sections

Rearranges unused_space sections in the Cortex-M linker script so that
lld does not emit warnings about ignored memory region assignments. Also
updates the forked target-specific linker scripts to follow the same
behavior.

This also resolves an issue where lld was producing unusually large ELF
files.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/107343

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 8db3f98470b460f..539d233cdf0eeee
Roller-URL: https://ci.chromium.org/b/8805380854352134801
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia61a3787bf4bc4e44535abf6784875516c4382ea
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/107613
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>
1 file changed
tree: aec319c1e9f216c8d4ba54aa0d50fec4a92932b1
  1. .gitmodules
  2. test.sh