target/riscv: add shvsatpa

target/riscv: add shvsatpa

shvsatpa is defined in RVA22 as:

"All translation modes supported in satp must be supported in vsatp."

This is always true in TCG so let's claim support for it.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241218114026.1652352-8-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>