Fixed the reading of p_flags in ELF64 segment headers - that field is 64 bits wide. Change-Id: I053ca57d36efb54b7c638484acd6c7a2fbcbd05a Signed-off-by: Jan Matyas <matyas@codasip.com> Reviewed-on: https://review.openocd.org/c/openocd/+/6927 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>