Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/mips/include/asm/edac.h b/arch/mips/include/asm/edac.h
index fc46776..c5d1477 100644
--- a/arch/mips/include/asm/edac.h
+++ b/arch/mips/include/asm/edac.h
@@ -21,12 +21,13 @@
 		 */
 
 		__asm__ __volatile__ (
+		"	.set	push					\n"
 		"	.set	mips2					\n"
 		"1:	ll	%0, %1		# edac_atomic_scrub	\n"
 		"	addu	%0, $0					\n"
 		"	sc	%0, %1					\n"
 		"	beqz	%0, 1b					\n"
-		"	.set	mips0					\n"
+		"	.set	pop					\n"
 		: "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*virt_addr)
 		: GCC_OFF_SMALL_ASM() (*virt_addr));