mfd: qcom-spmi-pmic: Add support for pm8005, pm8998 and pmi8998

Add the compatibles and PMIC ids for the pm8005, pm8998, and pmi8998
PMICS found on MSM8998 and SDM845 based platforms.

Cc: <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Reviewed-by: Doug Anderson <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

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

···
                    "qcom,pm8916",
                    "qcom,pm8004",
                    "qcom,pm8909",
+                   "qcom,pm8998",
+                   "qcom,pmi8998",
+                   "qcom,pm8005",
                    or generalized "qcom,spmi-pmic".
 - reg:             Specifies the SPMI USID slave address for this device.
                    For more information see:

drivers/mfd/qcom-spmi-pmic.c

···
 #define PM8916_SUBTYPE		0x0b
 #define PM8004_SUBTYPE		0x0c
 #define PM8909_SUBTYPE		0x0d
+#define PM8998_SUBTYPE		0x14
+#define PMI8998_SUBTYPE		0x15
+#define PM8005_SUBTYPE		0x18
 
 static const struct of_device_id pmic_spmi_id_table[] = {
 	{ .compatible = "qcom,spmi-pmic", .data = (void *)COMMON_SUBTYPE },
···
 	{ .compatible = "qcom,pm8916",    .data = (void *)PM8916_SUBTYPE },
 	{ .compatible = "qcom,pm8004",    .data = (void *)PM8004_SUBTYPE },
 	{ .compatible = "qcom,pm8909",    .data = (void *)PM8909_SUBTYPE },
+	{ .compatible = "qcom,pm8998",    .data = (void *)PM8998_SUBTYPE },
+	{ .compatible = "qcom,pmi8998",   .data = (void *)PMI8998_SUBTYPE },
+	{ .compatible = "qcom,pm8005",    .data = (void *)PM8005_SUBTYPE },
 	{ }
 };