powerpc: Move and fix MTMSR_EERI definition

Move this duplicated definition to ppc_asm.h and remove the
braces which prevent the use of %rN register names

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 2c7edd5..d4c589b 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -475,6 +475,7 @@
 #ifdef CONFIG_PPC_BOOK3S_64
 #define RFI		rfid
 #define MTMSRD(r)	mtmsrd	r
+#define MTMSR_EERI(reg)	mtmsrd	reg,1
 #else
 #define FIX_SRR1(ra, rb)
 #ifndef CONFIG_40x
@@ -483,6 +484,7 @@
 #define RFI		rfi; b .	/* Prevent prefetch past rfi */
 #endif
 #define MTMSRD(r)	mtmsr	r
+#define MTMSR_EERI(reg)	mtmsr	reg
 #define CLR_TOP32(r)
 #endif