Author: Milan P. Stanić <mps@arvanta.net>
Date: 2023-04-04 10:07:00.033003320 +0200

musl libc doesn't have c_ospeed and c_ispeed types so disable
build of kwboot with this patch

--- a/tools/Makefile	2023-04-04 10:07:00.033003320 +0200
+++ b/tools/Makefile	2023-04-04 10:07:26.345003333 +0200
@@ -213,8 +213,6 @@
 
 hostprogs-$(CONFIG_NETCONSOLE) += ncb
 
-hostprogs-$(CONFIG_ARCH_KIRKWOOD) += kwboot
-hostprogs-$(CONFIG_ARCH_MVEBU) += kwboot
 
 hostprogs-y += proftool
 proftool-objs = proftool.o lib/abuf.o