tcg: Convert rotl, rotr to TCGOutOpBinary

tcg: Convert rotl, rotr to TCGOutOpBinary

For aarch64, arm, loongarch64, mips, we can drop rotl.
For ppc, s390x we can drop rotr.
Only x86, riscv, tci have both rotl and rotr.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>