The at91dataflashboot code contains some hand-written ARM assembly
that uses ARM classic instructions, and will not build in Thumb-1
mode.
This issue has always existed in Buildroot, but it's only since we
started testing random configurations, including Thumb-1
configurations, that this issue popped up.
Fixes:
http://autobuild.buildroot.net/results/68bf2291201ef1882d8e8d3eca2b1a5ad731e4b0/
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>