Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h
index 212336b..be4cf9d 100644
--- a/arch/mips/include/asm/mipsmtregs.h
+++ b/arch/mips/include/asm/mipsmtregs.h
@@ -255,12 +255,12 @@
 static inline void __raw_emt(void)
 {
 	__asm__ __volatile__(
+	"	.set	push						\n"
 	"	.set	noreorder					\n"
 	"	.set	mips32r2					\n"
 	"	.word	0x41600be1			# emt		\n"
 	"	ehb							\n"
-	"	.set	mips0						\n"
-	"	.set	reorder");
+	"	.set	pop");
 }
 
 /* enable multi-threaded execution if previous suggested it should be.
@@ -277,9 +277,10 @@
 static inline void ehb(void)
 {
 	__asm__ __volatile__(
+	"	.set	push					\n"
 	"	.set	mips32r2				\n"
 	"	ehb						\n"
-	"	.set	mips0					\n");
+	"	.set	pop					\n");
 }
 
 #define mftc0(rt,sel)							\