Hi Dave,
Yes it is. But if the CLK line only goes to the GA1000 then there's no reason for any pulses to be present on the CLK line when the module isn't selected and I suspect they are thinking you'll have a dedicated SPI clock between the EM500 and the GA1000...

If you need to share the CLK signal between peripherals then a dedicated I/O for the RST-line would be required, if it can't be omitted all together and reset thryu hardware only. (?)

Again, that's just my understanding of it, take it for what it is.