redhat/configs: Re-enable CONFIG_KEXEC for Fedora
Commit c4bf2b6f ("Drop kexec_load syscall support") unintentionally dropped support for the kexec_load system call for both Fedora and RHEL. However, it can be very useful to have a fallback method when working close to upstream, e.g. to verify that a bug is in kexec_file_load. Thus re-enable CONFIG_KEXEC for Fedora but keep it disabled for RHEL.
Signed-off-by: Philipp Rudo prudo@redhat.com