We already have a file unit outside of the local system' folder which include "system/arch_init.h". We want more files to use it, so make it official it is a generic header by moving it under include. Rename as "qemu/base-arch-defs.h" which is more descriptive. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20260427080738.77138-11-philmd@linaro.org>