wifi: iwlwifi: mld: block EMLSR during TDLS connections

wifi: iwlwifi: mld: block EMLSR during TDLS connections

TDLS (Tunneled Direct Link Setup) requires single-link operation
for direct peer-to-peer communication, which is incompatible with
EMLSR (Enhanced Multi-Link Single Radio) mode where the radio
switches between multiple links.

Block EMLSR when the first TDLS peer is added and unblock when
the last TDLS peer is removed. The block/unblock APIs handle
exiting EMLSR and triggering link selection automatically.

Signed-off-by: Avinash Bhatt <avinash.bhatt@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260321192637.c1376b0259dd.I016587eb1570f7a7a64c0c95e0636e955a640350@changeid