mfd/ab5500: delete AB5500 support

This platform has been obsoleted and was only available inside of
ST-Ericsson, no users of this code are left in the world. This
deletes the core U5500 support entirely in the same manner as the
obsoleted U8500 silicon was previously deleted.

Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Rabin Vincent <rabin.vincent@stericsson.com>
Cc: Jonas Aberg <jonas.aberg@stericsson.com>
Cc: Per Forlin <per.forlin@stericsson.com>
Cc: Ulf Hansson <ulf.hansson@stericsson.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index ee96cd5..1318ca6 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -6,7 +6,7 @@
  *
  * ABX500 core access functions.
  * The abx500 interface is used for the Analog Baseband chip
- * ab3100, ab5500, and ab8500.
+ * ab3100 and ab8500.
  *
  * Author: Mattias Wallin <mattias.wallin@stericsson.com>
  * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
@@ -30,9 +30,6 @@
 #define AB3100_P1G	0xc6
 #define AB3100_R2A	0xc7
 #define AB3100_R2B	0xc8
-#define AB5500_1_0	0x20
-#define AB5500_1_1	0x21
-#define AB5500_2_0	0x24
 
 /*
  * AB3100, EVENTA1, A2 and A3 event register flags