qcacld-3.0: Save EPCS Capability in psoc

Save EPCS Capability in psoc instead of vdev to avoid the value
lost when random MAC setting happends.

Change-Id: I35299da59156dc1197adaa3350b0d11255b76c2e
CRs-Fixed: 3551773

components/mlme/core/src/wlan_mlme_main.c

@@ -2587,6 +2587,7 @@ static void mlme_init_sta_cfg(struct wlan_objmgr_psoc *psoc,
 		cfg_get(psoc, CFG_MAX_LI_MODULATED_DTIM_MS);
 
 	mlme_init_sta_mlo_cfg(psoc, sta);
+	wlan_mlme_set_epcs_capability(psoc, false);
 	wlan_mlme_set_usr_disable_sta_eht(psoc, false);
 }