Description of problem:
ndctl: compiling warning observed on ppc64le

Version-Release number of selected component (if applicable):
ndctl-67-2.el8.ppc64le

How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

[root@ibm-p8-kvm-01-guest-03 ~]# rpmbuild -ba rpmbuild/SPECS/ndctl.spec 
dax-pmd.c: In function 'test_pmd':
dax-pmd.c:238:33: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
   fprintf(stderr, "[%ld]: l: %llx p: %llx len: %llx flags: %x\n",
                              ~~~^
                              %lx
     i, ext->fe_logical, ext->fe_physical,
        ~~~~~~~~~~~~~~~           
dax-pmd.c:238:41: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 5 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
   fprintf(stderr, "[%ld]: l: %llx p: %llx len: %llx flags: %x\n",
                                      ~~~^
                                      %lx
     i, ext->fe_logical, ext->fe_physical,
                         ~~~~~~~~~~~~~~~~ 
dax-pmd.c:238:51: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 6 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
   fprintf(stderr, "[%ld]: l: %llx p: %llx len: %llx flags: %x\n",
                                                ~~~^
                                                %lx
dax-pmd.c:240:5:
     ext->fe_length, ext->fe_flags);