riscv: Use pgtable_l4_enabled to output mmu_type in cpuinfo

Now that the mmu type is determined at runtime using SATP
characteristic, use the global variable pgtable_l4_enabled to output
mmu type of the processor through /proc/cpuinfo instead of relying on
device tree infos.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Alexandre Ghiti 2021-12-06 11:46:52 +01:00 • committed by Palmer Dabbelt
commit 73c7c8f68e
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