xtensa support needs user_pt_regs since version 5.6 and2429c69961However user_pt_regs is only available since kernel 5.0 and06fbac8e89Fixes: - http://autobuild.buildroot.org/results/c6c4fb3b9098c5fc5dbe4415e2a9757fc775b746 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>