dt-bindings: mfd: qcom,spmi-pmic: Add pbs to SPMI device types

Add the PBS (Programmable Boot Sequencer) to the list of devices.
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240412-pmi632-ppg-v2-1-8ac892b1bb61@fairphone.comSigned-off-by: Lee Jones <lee@kernel.org>

Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml

@@ -160,6 +160,10 @@ patternProperties:
     type: object
     $ref: /schemas/nvmem/qcom,spmi-sdam.yaml#
 
+  "^pbs@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/soc/qcom/qcom,pbs.yaml#
+
   "phy@[0-9a-f]+$":
     type: object
     $ref: /schemas/phy/qcom,snps-eusb2-repeater.yaml#