mkarchiso: fix check for microcode update files in initramfs images

The existence of a ``early_cpio`` file is not enough since mkinitcpio can
and will place other files in the early uncompressed CPIO even when the
microcode hook is not used.

Fixes https://gitlab.archlinux.org/archlinux/archiso/-/issues/231

1 files changed, 4 insertions, 0 deletions

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 5773eda..a54b169 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -17,6 +17,10 @@ Deprecated
 Fixed
 -----
 
+- Look for microcode update files in the initramfs images when checking if external microcode images are needed. The
+  existence of a ``early_cpio`` file is not enough since mkinitcpio can and will place other files in the early
+  uncompressed CPIO even when the ``microcode`` hook is not used.
+
 Removed
 -------