sandbox: remove SCMI base node definition from test.dts

SCMI base protocol is mandatory and doesn't need to be listed in a device
tree.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
1 file changed