PCI: mobiveil: Sort Kconfig entries by vendor

Sort Kconfig entries by vendor so they appear in alphabetical order in
menuconfig.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bjorn Helgaas <[e-mail]>

drivers/pci/controller/mobiveil/Kconfig

···
 	depends on PCI_MSI
 	select PCIE_MOBIVEIL
 
+config PCIE_LAYERSCAPE_GEN4
+	bool "Freescale Layerscape Gen4 PCIe controller"
+	depends on ARCH_LAYERSCAPE || COMPILE_TEST
+	depends on PCI_MSI
+	select PCIE_MOBIVEIL_HOST
+	help
+	  Say Y here if you want PCIe Gen4 controller support on
+	  Layerscape SoCs.
+
 config PCIE_MOBIVEIL_PLAT
 	bool "Mobiveil AXI PCIe controller"
 	depends on ARCH_ZYNQMP || COMPILE_TEST
···
 	  Soft IP. It has up to 8 outbound and inbound windows
 	  for address translation and it is a PCIe Gen4 IP.
 
-config PCIE_LAYERSCAPE_GEN4
-	bool "Freescale Layerscape Gen4 PCIe controller"
-	depends on ARCH_LAYERSCAPE || COMPILE_TEST
-	depends on PCI_MSI
-	select PCIE_MOBIVEIL_HOST
-	help
-	  Say Y here if you want PCIe Gen4 controller support on
-	  Layerscape SoCs.
 endmenu