pinctrl: qcom: spmi-mpp: Add pm8994 mpp support

Update the driver and binding for pm8994-mpp devices.

Cc: <devicetree@vger.kernel.org>
Cc: "Ivan T. Ivanov" <iivanov@mm-sol.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Björn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt

@@ -15,6 +15,7 @@ of PMIC's from Qualcomm.
 		    "qcom,pm8917-mpp",
 		    "qcom,pm8921-mpp",
 		    "qcom,pm8941-mpp",
+		    "qcom,pm8994-mpp",
 		    "qcom,pma8084-mpp",
 
 - reg:

drivers/pinctrl/qcom/pinctrl-spmi-mpp.c

@@ -908,6 +908,7 @@ static const struct of_device_id pmic_mpp_of_match[] = {
 	{ .compatible = "qcom,pm8841-mpp" },	/* 4 MPP's */
 	{ .compatible = "qcom,pm8916-mpp" },	/* 4 MPP's */
 	{ .compatible = "qcom,pm8941-mpp" },	/* 8 MPP's */
+	{ .compatible = "qcom,pm8994-mpp" },	/* 8 MPP's */
 	{ .compatible = "qcom,pma8084-mpp" },	/* 8 MPP's */
 	{ },
 };