qcacmn: Get center freq from chan center freq index

AP sends chan center freq index via Bandwidth Indication OPIE
in channel load request.

Call reg_compute_6g_center_freq_from_cfi API to get corresponding
center freq for 6 GHz and 320 MHz case.

Change-Id: I14bbfe75016e40189388f32fd207d21197bc989b
CRs-Fixed: 3629129

umac/regulatory/dispatcher/inc/wlan_reg_services_api.h

@@ -2165,6 +2165,15 @@ uint16_t wlan_reg_chan_opclass_to_freq(uint8_t chan,
 				       uint8_t op_class,
 				       bool global_tbl_lookup);
 
+/**
+ * wlan_reg_compute_6g_center_freq_from_cfi() - Given the IEEE value of the
+ * 6 GHz center frequency, find the 6 GHz center frequency.
+ * @ieee_6g_cfi: IEEE value of 6 GHz cfi
+ *
+ * Return: Center frequency in MHz
+ */
+qdf_freq_t wlan_reg_compute_6g_center_freq_from_cfi(uint8_t ieee_6g_cfi);
+
 /**
  * wlan_reg_chan_opclass_to_freq_auto() - Convert channel number and opclass to
  * frequency

umac/regulatory/dispatcher/src/wlan_reg_services_api.c

@@ -1564,6 +1564,14 @@ uint16_t wlan_reg_chan_opclass_to_freq(uint8_t chan,
 	return reg_chan_opclass_to_freq(chan, op_class, global_tbl_lookup);
 }
 
+qdf_freq_t wlan_reg_compute_6g_center_freq_from_cfi(uint8_t ieee_6g_cfi)
+{
+	if (!ieee_6g_cfi)
+		return 0;
+
+	return reg_compute_6g_center_freq_from_cfi(ieee_6g_cfi);
+}
+
 qdf_freq_t wlan_reg_chan_opclass_to_freq_auto(uint8_t chan, uint8_t op_class,
 					      bool global_tbl_lookup)
 {