qcacmn: Enable Spectral feature for ipq5018 target

a. Enable DDMA support and FFT bin length adjustment SWARs
b. Similar to QCN9000,
Skip 16 bytes of unused padding added after Spectral summary report
FFT report header length is 24

Change-Id: I870f198511771dccbb0300ff62fc15ab0d64ee7f

target_if/spectral/target_if_spectral.c

@@ -1393,7 +1393,8 @@ target_if_init_spectral_param_min_max(
 		param_min_max->fft_size_min = SPECTRAL_PARAM_FFT_SIZE_MIN_GEN3;
 		param_min_max->fft_size_max[CH_WIDTH_20MHZ] =
 				SPECTRAL_PARAM_FFT_SIZE_MAX_GEN3_DEFAULT;
-		if (target_type == TARGET_TYPE_QCN9000) {
+		if (target_type == TARGET_TYPE_QCN9000 ||
+		    target_type == TARGET_TYPE_QCA5018) {
 			param_min_max->fft_size_max[CH_WIDTH_40MHZ] =
 				SPECTRAL_PARAM_FFT_SIZE_MAX_GEN3_QCN9000;
 			param_min_max->fft_size_max[CH_WIDTH_80MHZ] =
@@ -2134,6 +2135,7 @@ target_if_spectral_len_adj_swar_init(struct spectral_fft_bin_len_adj_swar *swar,
 {
 	if (target_type == TARGET_TYPE_QCA8074V2 ||
 	    target_type == TARGET_TYPE_QCN9000 ||
+	    target_type == TARGET_TYPE_QCA5018 ||
 	    target_type == TARGET_TYPE_QCA6750)
 		swar->fftbin_size_war = SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE;
 	else if (target_type == TARGET_TYPE_QCA8074 ||
@@ -2146,6 +2148,7 @@ target_if_spectral_len_adj_swar_init(struct spectral_fft_bin_len_adj_swar *swar,
 	if (target_type == TARGET_TYPE_QCA8074 ||
 	    target_type == TARGET_TYPE_QCA8074V2 ||
 	    target_type == TARGET_TYPE_QCA6018 ||
+	    target_type == TARGET_TYPE_QCA5018 ||
 	    target_type == TARGET_TYPE_QCN9000) {
 		swar->inband_fftbin_size_adj = 1;
 		swar->null_fftbin_adj = 1;
@@ -2184,6 +2187,7 @@ target_if_spectral_report_params_init(
 	 * needs to use them they have to add proper initial values.
 	 */
 	if (target_type == TARGET_TYPE_QCN9000 ||
+	    target_type == TARGET_TYPE_QCA5018 ||
 	    target_type == TARGET_TYPE_QCA6750) {
 		rparams->version = SPECTRAL_REPORT_FORMAT_VERSION_2;
 		rparams->num_spectral_detectors =
@@ -2342,6 +2346,7 @@ target_if_pdev_spectral_init(struct wlan_objmgr_pdev *pdev)
 	if (target_type == TARGET_TYPE_QCA8074 ||
 	    target_type == TARGET_TYPE_QCA8074V2 ||
 	    target_type == TARGET_TYPE_QCA6018 ||
+	    target_type == TARGET_TYPE_QCA5018 ||
 	    target_type == TARGET_TYPE_QCA6390 ||
 	    target_type == TARGET_TYPE_QCN9000 ||
 	    target_type == TARGET_TYPE_QCA6750)