ceph.spec.in: spec files comments

```
RPM build errors:
    extra tokens at the end of %else directive in line 118:  %else # not fedora/rhel

    extra tokens at the end of %else directive in line 121:  %else # not x86_64
```

Signed-off-by: Matan Breizman <[email protected]>

Author: Matan-B

ceph.spec.in

@@ -115,10 +115,12 @@
 %ifarch x86_64
 %if 0%{?fedora} || 0%{?rhel} >= 9
 %bcond_without system_qat
-%else # not fedora/rhel
+%else
+# not fedora/rhel
 %bcond_with system_qat
 %endif
-%else # not x86_64
+%else
+# not x86_64
 %bcond_with system_qat
 %endif
 %if 0%{?fedora} || 0%{?suse_version} || 0%{?rhel} >= 8 || 0%{?openEuler}