powerpc/85xx: add DOZE/NAP support for e500 core

The e500 core enter DOZE/NAP power-saving modes when the core go to
cpu_idle routine.

The power management default running mode is DOZE, If the user

echo 1 > /proc/sys/kernel/powersave-nap

the system will change to NAP running mode.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-powerpc/reg_booke.h b/include/asm-powerpc/reg_booke.h
index a1ab2ba..a5e8903 100644
--- a/include/asm-powerpc/reg_booke.h
+++ b/include/asm-powerpc/reg_booke.h
@@ -61,6 +61,8 @@
 #define SPRN_SPEFSCR	0x200	/* SPE & Embedded FP Status & Control */
 #define SPRN_BBEAR	0x201	/* Branch Buffer Entry Address Register */
 #define SPRN_BBTAR	0x202	/* Branch Buffer Target Address Register */
+#define SPRN_L1CFG0	0x203	/* L1 Cache Configure Register 0 */
+#define SPRN_L1CFG1	0x204	/* L1 Cache Configure Register 1 */
 #define SPRN_ATB	0x20E	/* Alternate Time Base */
 #define SPRN_ATBL	0x20E	/* Alternate Time Base Lower */
 #define SPRN_ATBU	0x20F	/* Alternate Time Base Upper */