[SYCL] Implement accessor iterator (#6815)

Added base type for implementing accessor iterators.
Added `accessor::begin()`, `accessor::end()`, `accessor::cbegin()` and
`accessor::cend()` methods.

[SYCL][CUDA][HIP][PI] Fix barrier (#6490)

Fixes a bug in barrier implementation in CUDA and HIP plugins that often
caused barrier not to work. The new implementation is also faster.

Tests in: https://github.com/intel/llvm-test-suite/pull/1122

[SYCL] Bump SYCL_MINOR_VERSION (#6855)

Unlike previous releases we change the policy of bumping the version to
be done at the beginning of the development cycle instead of its end.
That allows customers who are using development snapshots to guard their
code in a way that would keep working after the actual release is done.

The documentation for this is being done as
https://github.com/intel/llvm/pull/6856

We have consensus on how/when MAJOR/MINOR have to be bumped, so do it
now. There are some debates regarding PATCH/DEV versions updates so the
documentation would be updated later.

LLVM and SPIRV-LLVM-Translator pulldown (WW39)

LLVM: llvm/llvm-project@6b0b306
SPIRV-LLVM-Translator: KhronosGroup/SPIRV-LLVM-Translator@3938c74

[SYCL] Do not decompose non-trivial classes with pointers  (#6886)

Instead, the following code is being generated:
```
void ocl_kernel(__generated_type GT) {
  Kernel KernelObjClone { *(reinterpret_cast<UsersType*>(&GT)) };
}
```

sycl-nightly/20221002

[Driver][SYCL] Add additional debug settings when using -g on Windows…

sycl-nightly/20221001

[ESIMD] Fix - inconsistent 'is_one_of_t' declaration (#6927)

[ESIMD] ESIMDOptimizeVecArgCallConv: allow more IR patterns. (#6919)

Allow all-zero GEPs in optimized ptr param use-def chains.

Signed-off-by: Konstantin S Bobrovsky <konstantin.s.bobrovsky@intel.com>

[SYCL][NFC] Rename major/minor to ocl_major/ocl_minor (#6906)

Workaround to avoid conflict with system macros on older systems. See
https://bugzilla.redhat.com/show_bug.cgi?id=130601

sycl-nightly/20220928

[SYCL][PI/CL] Check device version/extensions rather than platform ve…