opencl-clang/12.0.0: update to latest commit

Drop patch which is not required anymore.

Allow to build with llvm-12 and higher versions.

Ref: 447798893e

Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

dynamic-layers/clang-layer/recipes-opencl/opencl-clang/opencl-clang_12.0.0.bb

@@ -6,10 +6,8 @@ LICENSE = "NCSA"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e8a15bf1416762a09ece07e44c79118c"
 
 SRC_URI = "git://github.com/intel/opencl-clang.git;branch=ocl-open-120;protocol=https \
-           file://0001-don-t-redefine-LLVM_TABLEGEN_EXE.patch \
            "
-
-SRCREV = "cea544b04460a47848e585bfe75cd774c0324b45"
+SRCREV = "8fc6b059248dc6c9c40c7cbe5fedcc6ebb951983"
 
 S = "${WORKDIR}/git"
 
@@ -21,9 +19,8 @@ COMPATIBLE_HOST = '(x86_64).*-linux'
 COMPATIBLE_HOST_libc-musl = "null"
 
 EXTRA_OECMAKE += "\
-                  -DLLVM_TABLEGEN_EXE=${STAGING_BINDIR_NATIVE}/llvm-tblgen \
                   -DCMAKE_SKIP_RPATH=TRUE \
-                  -DPREFERRED_LLVM_VERSION="12.0.0" \
+                  -DPREFERRED_LLVM_VERSION=${LLVMVERSION} \
                   "
 
 do_install_append_class-native() {