refactor(ti): rename the sec_proxy functions

Since the underneath transport layer may or may not always be sec_proxy
it doesn't make sense to keep following the k3_sec_proxy_* convention
for the TI SCI message transports.
Rename them to something more generic like ti_sci_transport_*.

Change-Id: I17a85b302e2a6c4cab71697110c48cbc09838ca6
Signed-off-by: Dhruva Gole <d-gole@ti.com>
diff --git a/drivers/ti/ipc/sec_proxy.c b/drivers/ti/ipc/sec_proxy.c
index 30c7ced..11491dc 100644
--- a/drivers/ti/ipc/sec_proxy.c
+++ b/drivers/ti/ipc/sec_proxy.c
@@ -170,13 +170,13 @@
 }
 
 /**
- * k3_sec_proxy_clear_rx_thread() - Clear Secure Proxy thread
+ * ti_sci_transport_clear_rx_thread() - Clear Secure Proxy thread
  *
  * @id: Channel Identifier
  *
  * Return: 0 if all goes well, else appropriate error message
  */
-int k3_sec_proxy_clear_rx_thread(enum k3_sec_proxy_chan_id id)
+int ti_sci_transport_clear_rx_thread(enum k3_sec_proxy_chan_id id)
 {
 	struct k3_sec_proxy_thread *spt = &spm.threads[id];
 
@@ -208,13 +208,13 @@
 }
 
 /**
- * k3_sec_proxy_send() - Send data over a Secure Proxy thread
+ * ti_sci_transport_send() - Send data over a Secure Proxy thread
  * @id: Channel Identifier
- * @msg: Pointer to k3_sec_proxy_msg
+ * @msg: Pointer to ti_sci_msg
  *
  * Return: 0 if all goes well, else appropriate error message
  */
-int k3_sec_proxy_send(enum k3_sec_proxy_chan_id id, const struct k3_sec_proxy_msg *msg)
+int ti_sci_transport_send(enum k3_sec_proxy_chan_id id, const struct ti_sci_msg *msg)
 {
 	struct k3_sec_proxy_thread *spt = &spm.threads[id];
 	union sec_msg_hdr secure_header;
@@ -281,13 +281,13 @@
 }
 
 /**
- * k3_sec_proxy_recv() - Receive data from a Secure Proxy thread
+ * ti_sci_transport_recv() - Receive data from a Secure Proxy thread
  * @id: Channel Identifier
- * @msg: Pointer to k3_sec_proxy_msg
+ * @msg: Pointer to ti_sci_msg
  *
  * Return: 0 if all goes well, else appropriate error message
  */
-int k3_sec_proxy_recv(enum k3_sec_proxy_chan_id id, struct k3_sec_proxy_msg *msg)
+int ti_sci_transport_recv(enum k3_sec_proxy_chan_id id, struct ti_sci_msg *msg)
 {
 	struct k3_sec_proxy_thread *spt = &spm.threads[id];
 	union sec_msg_hdr secure_header;