target/arm: Check V7VE as well as LPAE in arm_pamax

target/arm: Check V7VE as well as LPAE in arm_pamax

In machvirt_init we create a cpu but do not fully initialize it.
Thus the propagation of V7VE to LPAE has not been done, and we
compute the wrong value for some v7 cpus, e.g. cortex-a15.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1078
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: He Zhe <zhe.he@windriver.com>
Message-id: 20220619001541.131672-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>