qcacmn: SG support in RX path

Process the sg frames received in RX path.

Change-Id: Ia2d83c75c46f804599ca8fda4668c43ee508d59e
CRs-Fixed: 3303055

dp/wifi3.0/dp_rx.c

@@ -1772,6 +1772,23 @@ qdf_nbuf_t dp_rx_sg_create(struct dp_soc *soc, qdf_nbuf_t nbuf)
 	return parent;
 }
 
+#ifdef DP_RX_SG_FRAME_SUPPORT
+/**
+ * dp_rx_is_sg_supported() - SG packets processing supported or not.
+ *
+ * Return: returns true when processing is supported else false.
+ */
+bool dp_rx_is_sg_supported(void)
+{
+	return true;
+}
+#else
+bool dp_rx_is_sg_supported(void)
+{
+	return false;
+}
+#endif
+
 #endif /* QCA_HOST_MODE_WIFI_DISABLED */
 
 #ifdef QCA_PEER_EXT_STATS