irqchip/ls-scfg-msi: Add LS1012a MSI support

The ls1012a implements only 1 MSI controller, and it is the same as
ls1043a.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Minghuan Lian <minghuan.Lian@nxp.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>

Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt

@@ -8,6 +8,7 @@ Required properties:
               "fsl,ls1043a-msi"
               "fsl,ls1046a-msi"
               "fsl,ls1043a-v1.1-msi"
+              "fsl,ls1012a-msi"
 - msi-controller: indicates that this is a PCIe MSI controller node
 - reg: physical base address of the controller and length of memory mapped.
 - interrupts: an interrupt to the parent interrupt controller.

drivers/irqchip/irq-ls-scfg-msi.c

@@ -316,6 +316,7 @@ static const struct of_device_id ls_scfg_msi_id[] = {
 	{ .compatible = "fsl,1s1021a-msi", .data = &ls1021_msi_cfg},
 	{ .compatible = "fsl,1s1043a-msi", .data = &ls1021_msi_cfg},
 
+	{ .compatible = "fsl,ls1012a-msi", .data = &ls1021_msi_cfg },
 	{ .compatible = "fsl,ls1021a-msi", .data = &ls1021_msi_cfg },
 	{ .compatible = "fsl,ls1043a-msi", .data = &ls1021_msi_cfg },
 	{ .compatible = "fsl,ls1043a-v1.1-msi", .data = &ls1043_v1_1_msi_cfg },