HV: Add the definition of VECTOR_HYPERVISOR_CALLBACK_VHM
It is from the HYPERVISOR_CALLBACK_VECTOR in sos_kernel.
After this vector is used in both kernel and hypervisor, this will be defined
as the default vector.
Acked-by: Eddie Dong
#define VECTOR_NOTIFY_VCPU 0xF0U
#define VECTOR_VIRT_IRQ_VHM 0xF7U
#define VECTOR_SPURIOUS 0xFFU
+#define VECTOR_HYPERVISOR_CALLBACK_VHM 0xF3U
/* the maximum number of msi entry is 2048 according to PCI
* local bus specification
