mfd: Provide ab8500-core enumerators for chip cuts

Since functionality in MFD cells may need to be adjusted according to
chip revision, let's enumerate them and keep track of them.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 67bd6f7..896b5e4 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -34,6 +34,13 @@
 #define AB5500_2_0	0x21
 #define AB5500_2_1	0x22
 
+/* AB8500 CIDs*/
+#define AB8500_CUTEARLY	0x00
+#define AB8500_CUT1P0	0x10
+#define AB8500_CUT1P1	0x11
+#define AB8500_CUT2P0	0x20
+#define AB8500_CUT3P0	0x30
+
 /*
  * AB3100, EVENTA1, A2 and A3 event register flags
  * these are catenated into a single 32-bit flag in the code