[media] docs-rst: fix the remaining broken links for DVB CA API

Several links are broken, as they were using the typedef
name, instead of using the corresponding structs. Fix them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/uapi/dvb/ca-get-cap.rst

@@ -15,7 +15,7 @@ CA_GET_CAP
 Synopsis
 --------
 
-.. c:function:: int ioctl(fd, CA_GET_CAP, ca_caps_t *caps)
+.. c:function:: int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)
     :name: CA_GET_CAP
 
 
@@ -26,7 +26,7 @@ Arguments
   File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
 
 ``caps``
-  struct :c:type:`ca_caps` pointer
+  Pointer to struct :c:type:`ca_caps`.
 
 .. c:type:: struct ca_caps
 

Documentation/media/uapi/dvb/ca-get-descr-info.rst

@@ -15,7 +15,7 @@ CA_GET_DESCR_INFO
 Synopsis
 --------
 
-.. c:function:: int  ioctl(fd, CA_GET_DESCR_INFO, ca_descr_info_t *desc)
+.. c:function:: int  ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)
     :name: CA_GET_DESCR_INFO
 
 Arguments

Documentation/media/uapi/dvb/ca-get-msg.rst

@@ -15,7 +15,7 @@ CA_GET_MSG
 Synopsis
 --------
 
-.. c:function:: int ioctl(fd, CA_GET_MSG, ca_msg_t *msg)
+.. c:function:: int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)
     :name: CA_GET_MSG
 
 

Documentation/media/uapi/dvb/ca-get-slot-info.rst

@@ -15,7 +15,7 @@ CA_GET_SLOT_INFO
 Synopsis
 --------
 
-.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, ca_slot_info_t *info)
+.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
     :name: CA_GET_SLOT_INFO
 
 

Documentation/media/uapi/dvb/ca-send-msg.rst

@@ -15,7 +15,7 @@ CA_SEND_MSG
 Synopsis
 --------
 
-.. c:function:: int ioctl(fd, CA_SEND_MSG, ca_msg_t *msg)
+.. c:function:: int ioctl(fd, CA_SEND_MSG, struct ca_msg *msg)
     :name: CA_SEND_MSG
 
 
@@ -26,7 +26,7 @@ Arguments
   File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
 
 ``msg``
-  Undocumented.
+  Pointer to struct :c:type:`ca_msg`.
 
 
 Description

Documentation/media/uapi/dvb/ca-set-descr.rst

@@ -15,8 +15,8 @@ CA_SET_DESCR
 Synopsis
 --------
 
-.. c:function:: int ioctl(fd, CA_SET_DESCR, ca_descr_t *desc)
-    :name:
+.. c:function:: int ioctl(fd, CA_SET_DESCR, struct ca_descr *desc)
+    :name: CA_SET_DESCR
 
 
 Arguments
@@ -26,7 +26,7 @@ Arguments
   File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
 
 ``msg``
-  Undocumented.
+  Pointer to struct :c:type:`ca_descr`.
 
 
 Description

Documentation/media/uapi/dvb/ca-set-pid.rst

@@ -15,7 +15,7 @@ CA_SET_PID
 Synopsis
 --------
 
-.. c:function:: int ioctl(fd, CA_SET_PID, ca_pid_t *pid)
+.. c:function:: int ioctl(fd, CA_SET_PID, struct ca_pid *pid)
     :name: CA_SET_PID