doc: update README-MULTISITE.md

I update the parameters according to this PR: #7315
In addition, where rgw_zonesecondary: True and rgw_zonemaster: False,

I change rgw_zonegroupmaster to be False as those lines below:

https://github.com/ceph/ceph-ansible/blob/main/README-MULTISITE.md?plain=1#L396
https://github.com/ceph/ceph-ansible/blob/main/README-MULTISITE.md?plain=1#L417
https://github.com/ceph/ceph-ansible/blob/main/README-MULTISITE.md?plain=1#L520
https://github.com/ceph/ceph-ansible/blob/main/README-MULTISITE.md?plain=1#L535
Add note at line 205 here https://github.com/ceph/ceph-ansible/blob/main/README-MULTISITE.md?plain=1#L205

Signed-off-by: quangln94 <ngocquang.ptit@gmail.com>

Update ceph_ec_profile.py

This parameters "crush_root" unsupported for (ceph_ec_profile) module: crush_root
Follow this issue: https://github.com/ceph/ceph-ansible/issues/7306