sdm845Pkg: Library: SimpleInit: add filemgr

Signed-off-by: BigfootACA <bigfoot@classfun.cn>

diff --git a/sdm845Pkg/Library/SimpleInit b/sdm845Pkg/Library/SimpleInit
index fcd4f36a09fd3558199a2c2646541c4d07c20a14..30b5230f530fc1a6e96b9844013e50351bc338e2 160000 (submodule)
--- a/sdm845Pkg/Library/SimpleInit
+++ b/sdm845Pkg/Library/SimpleInit
@@ -1 +1 @@
-Subproject commit fcd4f36a09fd3558199a2c2646541c4d07c20a14
+Subproject commit 30b5230f530fc1a6e96b9844013e50351bc338e2