[PATCH] qapi: document PCIe Gen5/Gen6 speeds since 9.0

[Michael S. Tsirkin]

Document that PCIe Gen5/Gen6 speeds are only in QAPI
since 9.0 - the rest is since 4.0.

Cc: Lukas Stockner <lstockner@genesiscloud.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Fixes: c08da86dc4 ("pcie: Support PCIe Gen5/Gen6 link speeds")
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 qapi/common.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qapi/common.json b/qapi/common.json
index 867a9ad9b0..7558ce5430 100644
--- a/qapi/common.json
+++ b/qapi/common.json
@@ -107,9 +107,9 @@
 #
 # @16: 16.0GT/s
 #
-# @32: 32.0GT/s
+# @32: 32.0GT/s (since 9.0)
 #
-# @64: 64.0GT/s
+# @64: 64.0GT/s (since 9.0)
 #
 # Since: 4.0
 ##
-- 
MST