HID: intel-ish: Fix a naming disparity and a formatting error

Fixes the following W=1 kernel build warning(s):

 drivers/hid/intel-ish-hid/ishtp/hbm.c:409: warning: expecting prototype for ishtp_client_disconnect_request(). Prototype was for ishtp_hbm_fw_disconnect_req() instead
 drivers/hid/intel-ish-hid/ishtp/hbm.c:433: warning: wrong kernel-doc identifier on line:

Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

drivers/hid/intel-ish-hid/ishtp/hbm.c

@@ -398,7 +398,7 @@ static void ishtp_hbm_cl_connect_res(struct ishtp_device *dev,
 }
 
 /**
- * ishtp_client_disconnect_request() - Receive disconnect request
+ * ishtp_hbm_fw_disconnect_req() - Receive disconnect request
  * @dev: ISHTP device instance
  * @disconnect_req: disconnect request structure
  *
@@ -430,7 +430,7 @@ static void ishtp_hbm_fw_disconnect_req(struct ishtp_device *dev,
 }
 
 /**
- * ishtp_hbm_dma_xfer_ack(() - Receive transfer ACK
+ * ishtp_hbm_dma_xfer_ack() - Receive transfer ACK
  * @dev: ISHTP device instance
  * @dma_xfer: HBM transfer message
  *