riscv/head: fix misspelling of guaranteed

Fixes misspelling of guaranteed in comment describing why fetching fence
is guaranteed to work when switching to kernel page tables.

Signed-off-by: hasheddan <georgedanielmangum@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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hasheddan 2021-11-20 09:26:05 -05:00 • committed by Palmer Dabbelt
commit 8ee304396e
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