PCI: mobiveil: Fix sparse different address space warnings

Fix the sparse warnings below:

drivers/pci/controller/mobiveil/pcie-mobiveil.c:44:49: warning: incorrect type in return expression (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:44:49:    expected void *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:44:49:    got void [noderef] <asn:2> *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:48:41: warning: incorrect type in return expression (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:48:41:    expected void *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:48:41:    got void [noderef] <asn:2> *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:106:34: warning: incorrect type in argument 1 (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:106:34:    expected void [noderef] <asn:2> *addr
drivers/pci/controller/mobiveil/pcie-mobiveil.c:106:34:    got void *[assigned] addr
drivers/pci/controller/mobiveil/pcie-mobiveil.c:121:35: warning: incorrect type in argument 1 (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:121:35:    expected void [noderef] <asn:2> *addr
drivers/pci/controller/mobiveil/pcie-mobiveil.c:121:35:    got void *[assigned] addr

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reported-by: kbuild test robot <lkp@intel.com>