consider test requirements (U mode) in matrix

[wsipak]

There are tests which require user mode. They fail in CI when run without user mode.

Cores-VeeR-EL2/testbench/tests/csr_access/csr_access.c

Lines 371 to 374 in 6988797

	if ((_read_csr(misa) & MISA_U) == 0) {
	printf("ERROR: The test requires user mode support. Aborting.\n");
	return -1;
	}

Cores-VeeR-EL2/testbench/tests/csr_mstatus/csr_mstatus.c

Lines 18 to 21 in 6988797

	if ((read_csr(misa) & MISA_U) == 0) {
	printf("ERROR: The test requires user mode support. Aborting.\n");
	return -1;
	}

Cores-VeeR-EL2/testbench/tests/modesw/modesw.c

Lines 92 to 95 in 6988797

	if ((read_csr(misa) & MISA_U) == 0) {
	printf("ERROR: The test requires user mode support. Aborting.\n");
	return -1;
	}

Cores-VeeR-EL2/testbench/tests/insns/insns.c

Lines 67 to 71 in 6988797

	// The test requires user mode support
	if ((read_csr(misa) & MISA_U) == 0) {
	printf("ERROR: The test requires user mode support. Aborting.\n");
	return -1;
	}

Cores-VeeR-EL2/testbench/tests/perf_counters/perf_counters.c

Lines 121 to 125 in 6988797

	// The test requires user mode support
	if ((read_csr(CSR_MISA) & MISA_U) == 0) {
	printf("ERROR: The test requires user mode support. Aborting.\n");
	return -1;
	}

[github-actions]

Links to coverage and verification reports for this PR (#287) are available at https://chipsalliance.github.io/Cores-VeeR-EL2/

[tmichalak]

LGTM