Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index ef61f36..60b94b9 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -332,6 +332,8 @@
 		struct ssb_sprom *out));
 
 struct bcma_bus {
+	struct device *dev;
+
 	/* The MMIO area. */
 	void __iomem *mmio;
 
@@ -339,14 +341,7 @@
 
 	enum bcma_hosttype hosttype;
 	bool host_is_pcie2; /* Used for BCMA_HOSTTYPE_PCI only */
-	union {
-		/* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */
-		struct pci_dev *host_pci;
-		/* Pointer to the SDIO device (only for BCMA_HOSTTYPE_SDIO) */
-		struct sdio_func *host_sdio;
-		/* Pointer to platform device (only for BCMA_HOSTTYPE_SOC) */
-		struct platform_device *host_pdev;
-	};
+	struct pci_dev *host_pci; /* PCI bus pointer (BCMA_HOSTTYPE_PCI only) */
 
 	struct bcma_chipinfo chipinfo;
 
diff --git a/include/linux/bcma/bcma_soc.h b/include/linux/bcma/bcma_soc.h
index 7cca5f8..f3c4351 100644
--- a/include/linux/bcma/bcma_soc.h
+++ b/include/linux/bcma/bcma_soc.h
@@ -6,6 +6,7 @@
 
 struct bcma_soc {
 	struct bcma_bus bus;
+	struct device *dev;
 };
 
 int __init bcma_host_soc_register(struct bcma_soc *soc);