tree 48d1ab402adb2761ff71d58da50809e80391c226
parent fa7f123ed922df5c4edc9b5ca77ea6391903789e
author Scott James Remnant <keybuk@google.com> 1626984558 -0700
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1627005637 +0000

pw_boot_cortex_m: Rename pw_boot_armv7m to pw_boot_cortex_m:armv7m

Since the implementation is closer to a generic Cortex-M implementation,
rename pw_boot_armv7m to pw_boot_cortex_m, and add a core-specific
target named "armv7m".

This matches pw_cpu_exception_cortex_m.

Toolchain definitions will need ot be changed from:
  pw_boot_BACKEND = dir_pw_boot_armv7m
to
  pw_boot_BACKEND = "$dir_pw_boot_cortex_m:arm7vm"

Change-Id: Id6f4bbf8e6c1ec89afa63de7c93be1f3afa59f09
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/54242
Commit-Queue: Scott James Remnant <keybuk@google.com>
Pigweed-Auto-Submit: Scott James Remnant <keybuk@google.com>
Reviewed-by: Keir Mierle <keir@google.com>