prebuilt: mt8183: update bl2 to v2.2 release

Signed-off-by: Fabien Parent <fparent@baylibre.com>
diff --git a/prebuilt/mt8183/release/bl2.img b/prebuilt/mt8183/release/bl2.img
index cdc4937..13b0802 100644
--- a/prebuilt/mt8183/release/bl2.img
+++ b/prebuilt/mt8183/release/bl2.img
Binary files differ