From bc633edc1d49d17d58ce86c06127d1f60e4cc951 Mon Sep 17 00:00:00 2001
From: Matt Evans <matt@ozlabs.org>
Date: Sun, 18 Aug 2024 17:56:23 +0100
Subject: [PATCH] Bump external/umac to v0.21

The new umac work brings in disc RW support, OS 7, memory size control, etc.

These hooks will be used for SD card storage, and to support "odd" memory
sizes, e.g. making a Mac 208K.
---
 external/umac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/umac b/external/umac
index 563626a..5d23667 160000
--- a/external/umac
+++ b/external/umac
@@ -1 +1 @@
-Subproject commit 563626a38273656ff08d13a4799fa5d1028b215d
+Subproject commit 5d23667c8ef4534a5307fcf6c39c172484e50e30