llvm: Upgrade to LLVM 12 release

Drop backported patch

(From OE-Core rev: ca72375a3bbebcb9a7af4dce3c06716ac2c0f5fc)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/conf/distro/include/tcmode-default.inc

@@ -26,7 +26,7 @@ QEMUVERSION ?= "5.2%"
 GOVERSION ?= "1.16%"
 # This can not use wildcards like 8.0.% since it is also used in mesa to denote
 # llvm version being used, so always bump it with llvm recipe version bump
-LLVMVERSION ?= "11.1.0"
+LLVMVERSION ?= "12.0.0"
 
 PREFERRED_VERSION_gcc ?= "${GCCVERSION}"
 PREFERRED_VERSION_gcc-cross-${TARGET_ARCH} ?= "${GCCVERSION}"

meta/recipes-devtools/llvm/llvm/0001-nfc-Fix-missing-include.patch

@@ -1,26 +0,0 @@
-From 3b7e611bd58ba842470d17374c550e14bceca5c7 Mon Sep 17 00:00:00 2001
-From: serge-sans-paille <sguelton@redhat.com>
-Date: Tue, 10 Nov 2020 14:55:25 +0100
-Subject: [PATCH] [nfc] Fix missing include
-
-Upstream-Status: Backport [https://github.com/llvm/llvm-project/commit/b498303066a63a203d24f739b2d2e0e56dca70d1]
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- llvm/utils/benchmark/src/benchmark_register.h | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/llvm/utils/benchmark/src/benchmark_register.h b/llvm/utils/benchmark/src/benchmark_register.h
-index 0705e219f2fa..4caa5ad4da07 100644
---- a/llvm/utils/benchmark/src/benchmark_register.h
-+++ b/llvm/utils/benchmark/src/benchmark_register.h
-@@ -1,6 +1,7 @@
- #ifndef BENCHMARK_REGISTER_H
- #define BENCHMARK_REGISTER_H
- 
-+#include <limits>
- #include <vector>
- 
- #include "check.h"
--- 
-2.30.1
-

meta/recipes-devtools/llvm/llvm_git.bb

@@ -19,8 +19,8 @@ inherit cmake pkgconfig
 
 PROVIDES += "llvm${PV}"
 
-MAJOR_VERSION = "11"
-MINOR_VERSION = "1"
+MAJOR_VERSION = "12"
+MINOR_VERSION = "0"
 PATCH_VERSION = "0"
 
 PV = "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}"
@@ -29,12 +29,11 @@ LLVM_RELEASE = "${PV}"
 LLVM_DIR = "llvm${LLVM_RELEASE}"
 
 BRANCH = "release/${MAJOR_VERSION}.x"
-SRCREV = "1fdec59bffc11ae37eb51a1b9869f0696bfd5312"
+SRCREV = "fa0971b87fb2c9d14d1bba2551e61f02f18f329b"
 SRC_URI = "git://github.com/llvm/llvm-project.git;branch=${BRANCH} \
            file://0006-llvm-TargetLibraryInfo-Undefine-libc-functions-if-th.patch;striplevel=2 \
            file://0007-llvm-allow-env-override-of-exe-path.patch;striplevel=2 \
            file://0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch;striplevel=2 \
-           file://0001-nfc-Fix-missing-include.patch;striplevel=2 \
            "
 
 UPSTREAM_CHECK_GITTAGREGEX = "llvmorg-(?P<pver>\d+(\.\d+)+)"