powerpc: Use 32 bit loads and stores when operating on condition register values

The condition register (CR) is a 32 bit quantity so we should use
32 bit loads and stores.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/platforms/powernv/opal-wrappers.S

@@ -24,7 +24,7 @@
 	mflr	r0;			\
 	mfcr	r12;			\
 	std	r0,16(r1);		\
-	std	r12,8(r1);		\
+	stw	r12,8(r1);		\
 	std	r1,PACAR1(r13);		\
 	li	r0,0;			\
 	mfmsr	r12;			\
@@ -53,7 +53,7 @@ _STATIC(opal_return)
 	 */
 	FIXUP_ENDIAN
 	ld	r2,PACATOC(r13);
-	ld	r4,8(r1);
+	lwz	r4,8(r1);
 	ld	r5,16(r1);
 	ld	r6,PACASAVEDMSR(r13);
 	mtspr	SPRN_SRR0,r5;