lib: sbi_domain_context: Flush TLB after SATP mode switch

When switching between domains with different satp.MODE values (e.g.
Sv39 to Sv48), the RISC-V ISA permits hardware to use cached translations
from the old virtual-address width if no SFENCE.VMA intervenes. This
constrained-unpredictable behavior is clarified in riscv-isa-manual
PR #2219.

The hart protection re-configuration will anyway do full SFENCE / HFENCE
so move the hart protection re-configuration after register context switch
in switch_to_next_domain_context() to ensure translations from the new
domain's address width are used.

Link: https://github.com/riscv/riscv-isa-manual/pull/2219
Signed-off-by: Zishun Yi <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>

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