Use llvm submodule with Xtensa arch support.

MabezDev · MabezDev · commit 5beece921a21 · 2021-06-27T00:18:37.000+01:00
diff --git a/.gitmodules b/.gitmodules
@@ -36,8 +36,8 @@
 	url = https://github.com/rust-lang/edition-guide.git
 [submodule "src/llvm-project"]
 	path = src/llvm-project
-	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/12.0-2021-04-15
+	url = https://github.com/espressif/llvm-project
+	branch = xtensa_release_11.0.0
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book
 	url = https://github.com/rust-embedded/book.git
diff --git a/src/llvm-project b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 5f67a5715771b7d29e4713e8d68338602d216dcf
+Subproject commit 65ed48e8188320bf08d6ee7d7d3c19cf8b785406
