qcacmn: Add support to get fwr phymode for frequency

Currently, wifi-pos uses channel number to get the fwr phymode.
For adding 6g support wifi-pos need to get the phymode from
frequency instead of channel number
As a part of fix, Add handler for getting phymode based on
frequency

CRs-Fixed: 2617903
Change-Id: I007edebe41bf5ca750a1262c85043f628dc9f89f

umac/wifi_pos/inc/wifi_pos_api.h

@@ -409,6 +409,19 @@ static inline QDF_STATUS wifi_pos_init_cir_cfr_rings(
 }
 #endif
 
+/**
+ * wifi_pos_register_get_fw_phy_mode_for_freq_cb: API to register callback
+ * to get current PHY mode
+ * @psoc: pointer to psoc object
+ * @handler: callback to be registered
+ *
+ * Return: QDF_STATUS_SUCCESS in case of success, error codes in
+ * case of failure
+ */
+QDF_STATUS wifi_pos_register_get_fw_phy_mode_for_freq_cb(
+			struct wlan_objmgr_psoc *psoc,
+			void (*handler)(uint32_t, uint32_t, uint32_t *));
+
 /**
  * wifi_pos_register_get_phy_mode_cb: API to register callback to get
  * current PHY mode