linux: update to 5.4.42

mk/linux-ver.mk

@@ -16,10 +16,10 @@ KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(ADK_TARGET_LINUX_KERNEL_GIT_VER)-$(KERNEL_RELEASE)
 endif
 ifeq ($(ADK_TARGET_LINUX_KERNEL_VERSION_5_4),y)
-KERNEL_FILE_VER:=	5.4.18
+KERNEL_FILE_VER:=	5.4.42
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		92e9f1fd69543e9ce2a9e6eb918823b1846d2dd99246a74456263cd5ad234d89
+KERNEL_HASH:=		4e431b7c0266a07b76fdb77f8917ad681f0fa34ffba0eb8a172b67f7ef57bc31
 endif
 ifeq ($(ADK_TARGET_LINUX_KERNEL_VERSION_4_19),y)
 KERNEL_FILE_VER:=	4.19.99

target/linux/Config.in.kernelversion

@@ -40,7 +40,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_GIT
 	select ADK_TARGET_LINUX_KERNEL_IMAGE if ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_5_4
-	bool "5.4.18"
+	bool "5.4.42"
 	select ADK_TARGET_LINUX_KERNEL_NEW
 	depends on !ADK_TARGET_ARCH_AVR32
 	depends on !ADK_TARGET_ARCH_BFIN