Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/misc/cxl/Kconfig b/drivers/misc/cxl/Kconfig
index 3ce9337..39eec90 100644
--- a/drivers/misc/cxl/Kconfig
+++ b/drivers/misc/cxl/Kconfig
@@ -1,19 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # IBM Coherent Accelerator (CXL) compatible devices
 #
 
 config CXL_BASE
 	bool
-	default n
 	select PPC_COPRO_BASE
 
 config CXL_AFU_DRIVER_OPS
 	bool
-	default n
 
 config CXL_LIB
 	bool
-	default n
 
 config CXL
 	tristate "Support for IBM Coherent Accelerators (CXL)"