[PATCH] SUPPORT.md: Document guest PSCI support

[Mykola Kvach <xakep.amatop@xxxxxxxxx>]

From: Mykola Kvach <mykola_kvach@xxxxxxxx>

Add a new entry under "Virtual Hardware, Hypervisor" for guest PSCI
support on ARM. Describes support for mandatory functions from
PSCI versions 0.2 and 1.0, as well as the optional MIGRATE_INFO_TYPE
function.

Signed-off-by: Mykola Kvach <mykola_kvach@xxxxxxxx>
---
 SUPPORT.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/SUPPORT.md b/SUPPORT.md
index f0b5718e84..01a3ee9499 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -956,6 +956,14 @@ by hwdom. Some platforms use SCMI for access to 
system-level resources.
 
     Status: Supported
 
+### ARM: Guest PSCI support
+
+Emulated PSCI interface exposed to guests. Supports all mandatory functions
+from PSCI versions 0.2 and 1.0, as well as the optional MIGRATE_INFO_TYPE
+function.
+
+    Status: Supported
+
 ## Virtual Hardware, QEMU
 
 This section describes supported devices available in HVM mode using a
-- 
2.48.1