[PATCH] CHANGELOG: add Arm and RISC-V entries for 4.22

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
Changes in v2:
 - Address the comment from ML.
 - Reword second RISC-V's item.
---
---
 CHANGELOG.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 356be88351a9..4dca8359cd4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -46,6 +46,15 @@ The format is based on [Keep a 
Changelog](https://keepachangelog.com/en/1.0.0/)
  - On Arm:
    - Support for guest suspend and resume to/from RAM via vPSCI.
      Applies only to non-hardware domain guests.
+   - Continued Armv8-R MPU enablement.
+   - Drop ThumbEE support.
+   - FF-A v1.2 support.
+
+ - On RISC-V:
+   - SSTC extension support for Xen (not for guest yet).
+   - Introduce domain build helpers (CONFIG_DOMAIN_BUILD_HELPERS) which allows
+     to load Linux kernel, initrd and allocation related things forfor device
+     tree-based domains, laying the groundwork for guest boot support.
 
 ### Removed
  - On x86:
-- 
2.54.0