doc: Mention the Wideband Speech setting and add new kernel version

Signed-off-by: Anuj Jain <anuj01.jain@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>

diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index aab0c32..9704eaf 100755 (executable)
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -30,6 +30,7 @@ Linux kernel v4.6     Version 1.12
 Linux kernel v4.8      Version 1.13
 Linux kernel v4.9      Version 1.14
 Linux kernel v5.5      Version 1.15
+Linux kernel v5.6      Version 1.16 (not yet released)
 
 Version 1.1 introduces Set Device ID command.
 
@@ -90,6 +91,9 @@ response information are now supported.
 Version 1.15 introduces Get PHY Configuration, Set PHY Configuration and
 Load Blocked Keys commands.
 
+Version 1.16 introduces Wideband Speech setting and its corresponding
+Set Wideband Speech command.
+
 
 Example
 =======