Update arm-trusted-firmware submodule to upstream master

Updating from commit id 73193689c:
2021-12-06 16:47:33 +0100 - (Merge changes I7c9f8490,Ia92c6d19 into integration)

to commit id e0a6a512b:
2022-02-03 22:59:34 +0100 - (Merge changes from topic "msm8916" into integration)

This brings in 324 new commits.

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I44bca36f4b05e08fe7d7de0966131be84c0a7d2b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60818
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/3rdparty/arm-trusted-firmware b/3rdparty/arm-trusted-firmware
index 7319368..e0a6a51 160000
--- a/3rdparty/arm-trusted-firmware
+++ b/3rdparty/arm-trusted-firmware
@@ -1 +1 @@
-Subproject commit 73193689c0e9cf13ad0ddbb9da25e9a66c4e14b3
+Subproject commit e0a6a512b51558b64eb500e6b731e4c743050af2