Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c
index e1fa45b..acb55a4 100644
--- a/arch/ia64/pci/fixup.c
+++ b/arch/ia64/pci/fixup.c
@@ -8,8 +8,7 @@
 #include <linux/init.h>
 #include <linux/vgaarb.h>
 #include <linux/screen_info.h>
-
-#include <asm/machvec.h>
+#include <asm/uv/uv.h>
 
 /*
  * Fixup to mark boot BIOS video selected by BIOS before it changes
@@ -35,8 +34,7 @@
 	u16 config;
 	struct resource *res;
 
-	if ((strcmp(ia64_platform_name, "dig") != 0)
-	    && (strcmp(ia64_platform_name, "hpzx1")  != 0))
+	if (is_uv_system())
 		return;
 	/* Maybe, this machine supports legacy memory map. */