kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)

When L2 exits to L0 due to "exception or NMI", software exceptions
(#BP and #OF) for which L1 has requested an intercept should be
handled by L1 rather than L0. Previously, only hardware exceptions
were forwarded to L1.

Signed-off-by: Jim Mattson <jmattson@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
static inline bool vmx_control_verify(u32 control, u32 low, u32 high)
{
	return fixed_bits_valid(control, low, high);
}

static inline bool vmx_control_verify(u32 control, u32 low, u32 high)
{
	return fixed_bits_valid(control, low, high);
}
