lib: utils/fdt: Add ISA extension validation framework for CPU fixup#12
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Extend the existing MISA-based single-letter ISA fixup into a table-driven validation framework for multi-letter extensions. Extensions declared in DT but missing required properties (e.g. zicbom without riscv,cbom-block-size) are now removed during fixup. New validators: H (MISA check), zicbom (cbom-block-size presence). Adding future validators requires only appending to isa_ext_validators[]. Signed-off-by: Chen Pei <cp0613@linux.alibaba.com>
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Extend the existing MISA-based single-letter ISA fixup into a table-driven validation framework for multi-letter extensions. Extensions declared in DT but missing required properties (e.g. zicbom without riscv,cbom-block-size) are now removed during fixup.
New validators: H (MISA check), zicbom (cbom-block-size presence). Adding future validators requires only appending to isa_ext_validators[].