doc/gatt-api: Update documentation regarding link option

This reflects what the code has already doing so any server operation which
requires the device option shall also get the link type as well.

Change-Id: Ic5f78954160ec80e053a8b83b169ea918f2ac38e
Signed-off-by: Amit Purwar <amit.purwar@samsung.com>

diff --git a/doc/gatt-api.txt b/doc/gatt-api.txt
index 5be82c5..e9495f6 100755 (executable)
--- a/doc/gatt-api.txt
+++ b/doc/gatt-api.txt
@@ -94,6 +94,7 @@ Methods               array{byte} ReadValue(dict options)
 
                        Possible options: "offset": Start offset
                                          "device": Device path (Server only)
+                                         "link": Link type (Server only)
 
                        Possible Errors: org.bluez.Error.Failed
                                         org.bluez.Error.InProgress
@@ -127,6 +128,7 @@ Methods             array{byte} ReadValue(dict options)
 
                        Possible options: "device": Object Device (Server only)
                                          "MTU": Exchanged MTU (Server only)
+                                         "link": Link type (Server only)
 
                        Possible Errors: org.bluez.Error.Failed
                                         org.bluez.Error.NotSupported
@@ -162,6 +164,7 @@ Methods             array{byte} ReadValue(dict options)
 
                        Possible options: "device": Object Device (Server only)
                                          "MTU": Exchanged MTU (Server only)
+                                         "link": Link type (Server only)
 
                        Possible Errors: org.bluez.Error.Failed
                                         org.bluez.Error.NotSupported