Add SPMI to the list of generic node names
Add SPMI to the list of generic node names

System Power Management Interface Protocol (SPMI) is a MIPI standard
bus used to connect the Power Management Integrated Circuits (PMIC)
to the SoCs. Let's add "spmi" to the list of generic node names.

Signed-off-by: Manivannan Sadhasivam <7cdffa2a61f6c51ff0ae24b4793b8c7f31d1b1b0@linaro.org>

devicetree-org/devicetree-specification