modify properly the ceed-magma

add two more file for the magma backend; porting single tensor contraction call

Comment-out the restrict kernels using atomicAdd(double), so we can build the
OCCA backends on GPU cards with lower SMs.

Removed C11 _Generic macro in dbg/cdbg macros in ceed-occa.h.

Fixed OKL kern

Comment-out the restrict kernels using atomicAdd(double), so we can build the
OCCA backends on GPU cards with lower SMs.

Removed C11 _Generic macro in dbg/cdbg macros in ceed-occa.h.

Fixed OKL kernel caching in Makefile in examples/mfem.

Make style.

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[occa] occaPropertiesSet to match new C wrapper API

[occa] dbg macros + ceed argument moved down to occa backend

[occa] Makefile targets comments, occa source debug cleanup

[occa] basis & restrict stat logic to test out of source examples

[occa] pushing backends/occa/*.okl to install prefix/lib/okl and use them if needed

[occa] style

[occa] CeedDebug output when CEED_DEBUG or DBG are non null

[occa] Updated to 1.0 C API

[occa] make style

[occa] cleanup + OCL but tests that use ex1-volume-annulus.okl

[occa] basis elem for loop ready

[occa] OKL basis + volume

[occa] offset computation with QnD

[occa] basis OKL kernels

[occa] basis okl additional nqpt offset for kWeight from previous kGrad

Merge branch 'occa-dev' of github.com:CEED/libCEED into occa-dev

[occa] basis with vectors

[occa] basis kernels

[occa] basis kernels

Fixed check for OpenCL in OCCA. Make style.

[occa] cleanup, MFEM ex1 and OKL file lookup with '.'

[occa] cleanup