[SYCL][Driver] Remove temporary string usage in HandleXarchArgs (#13248) #590

Job	Run time
build-win / Build + LIT	49m 53s
macOS / Build	14m 50s
Linux (Self build + shared libraries + no-assertions) / Build + LIT	1h 0m 26s
e2e-win / Intel GEN12 Graphics with Level Zero	43m 45s
e2e-lin (Intel GEN12 Graphics with Level Zero, ["Linux", "gen12"], --param gpu-intel-gen12=True, ... / Intel GEN12 Graphics with Level Zero	51s
e2e-lin (Perf tests on Intel Arc A-Series Graphics system, ["Linux", "arc"], {"LIT_FILTER":"Perfo... / Perf tests on Intel Arc A-Series Graphics system	1m 13s
e2e-lin (Perf tests on Intel GEN12 Graphics system, ["Linux", "gen12"], {"LIT_FILTER":"Performanc... / Perf tests on Intel GEN12 Graphics system	1m 54s
e2e-lin (Intel Arc A-Series Graphics with Level Zero, ["Linux", "arc"], --param matrix-xmx8=True ... / Intel Arc A-Series Graphics with Level Zero	15m 6s
	3h 7m 58s

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