hw/intc/riscv_aplic: Zero init APLIC internal state

Since g_new is used to initialize the RISCVAPLICState->state structure,
in some case we get behavior that is not as expected. This patch
changes this to g_new0, which allows to initialize the APLIC in the correct state.

Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Message-Id: <20230413133432.53771-1-ivan.klokov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw/intc/riscv_aplic.c

@@ -803,7 +803,7 @@ static void riscv_aplic_realize(DeviceState *dev, Error **errp)
 
     aplic->bitfield_words = (aplic->num_irqs + 31) >> 5;
     aplic->sourcecfg = g_new0(uint32_t, aplic->num_irqs);
-    aplic->state = g_new(uint32_t, aplic->num_irqs);
+    aplic->state = g_new0(uint32_t, aplic->num_irqs);
     aplic->target = g_new0(uint32_t, aplic->num_irqs);
     if (!aplic->msimode) {
         for (i = 0; i < aplic->num_irqs; i++) {