[ARM] arm32ve: Set text base to 0x00000000

Unlike Xvisor ARM32, there is no limitation or constraint on possible text base for Xvisro ARM32VE.

In fact, having text base at 0xFF000000 limits maximum VAPOOL size to 16 MB only.

This patch changes Xvisor ARM32VE text bast to 0x00000000.

Signed-off-by: Anup Patel <anup@brainfault.org>