[NVPTX][AMD][New offload model] Add support for -fsycl-embed-ir in the new offloading model #6709

Job	Run time
detect_changes / Decide which tests could be affected by the changes	5s
build / Build + LIT	13m 43s
Decide which Arc tests to run	4s
test-perf	0s
test (Intel, ["Linux", "gen12"], ghcr.io/intel/llvm/ubuntu2204_intel_drivers:latest, -u 1001 --de... / Intel	57m 9s
test (E2E tests on Intel Arc A-Series Graphics, ["Linux", "arc"], ghcr.io/intel/llvm/ubuntu2204_i... / E2E tests on Intel Arc A-Series Graphics	1s
test (E2E tests with dev igc on Intel Arc A-Series Graphics, ["Linux", "arc"], ghcr.io/intel/llvm... / E2E tests with dev igc on Intel Arc A-Series Graphics	1s
test (AMD/HIP, ["Linux", "amdgpu"], ghcr.io/intel/llvm/ubuntu2204_build:latest-0300ac924620a51f76... / AMD/HIP	11m 23s
	1h 22m 26s

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