clang: add whitespace around assignments

[shr-project]

With:
https://lists.openembedded.org/g/bitbake-devel/message/17508 there are many WARNINGs from this layer

Most of them are caused by this LLVM_LIBDIR_SUFFIX=" which is included everywhere.

WARNING: meta-clang/recipes-devtools/clang/clang-cross-canadian_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/clang-crosssdk_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/clang_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/compiler-rt-sanitizers_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/compiler-rt-sanitizers_git.bb: meta-clang/recipes-devtools/clang/compiler-rt-sanitizers_git.bb:31 has a lack of whitespace around the assignment: 'PACKAGECONFIG[ctx-profile] ="-DCOMPILER_RT_BUILD_CTX_PROFILE=ON,-DCOMPILER_RT_BUILD_CTX_PROFILE=OFF"'
WARNING: meta-clang/recipes-devtools/clang/compiler-rt_git.bb: meta-clang/recipes-devtools/clang/compiler-rt_git.bb:47 has a lack of whitespace around the assignment: 'PACKAGECONFIG[profile] ="-DCOMPILER_RT_BUILD_PROFILE=ON,-DCOMPILER_RT_BUILD_PROFILE=OFF"'
WARNING: meta-clang/recipes-devtools/clang/compiler-rt_git.bb: meta-clang/recipes-devtools/clang/compiler-rt_git.bb:49 has a lack of whitespace around the assignment: 'PACKAGECONFIG[ctx-profile] ="-DCOMPILER_RT_BUILD_CTX_PROFILE=ON,-DCOMPILER_RT_BUILD_CTX_PROFILE=OFF"'
WARNING: meta-clang/recipes-devtools/clang/compiler-rt_git.bb:47 has a lack of whitespace around the assignment: 'PACKAGECONFIG[profile] ="-DCOMPILER_RT_BUILD_PROFILE=ON,-DCOMPILER_RT_BUILD_PROFILE=OFF"'
WARNING: meta-clang/recipes-devtools/clang/compiler-rt_git.bb:49 has a lack of whitespace around the assignment: 'PACKAGECONFIG[ctx-profile] ="-DCOMPILER_RT_BUILD_CTX_PROFILE=ON,-DCOMPILER_RT_BUILD_CTX_PROFILE=OFF"'
WARNING: meta-clang/recipes-devtools/clang/libclc_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/libcxx_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/llvm-project-source.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'
WARNING: meta-clang/recipes-devtools/clang/openmp_git.bb: meta-clang/recipes-devtools/clang/clang.inc:19 has a lack of whitespace around the assignment: 'LLVM_LIBDIR_SUFFIX="${@d.getVar('baselib').replace('lib', '')}"'

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• Changes have been tested
• Signed-off-by is present
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[kraj]

LGTM thanks