Add HAVE_OFF64_T to AndroidConfig.h

For platforms that have _FILE_OFFSET_BITS=32 and need to access large
files, we need some way to access 64-bit file APIs. This adds a hint to
allow programs to choose alternate APIs if possible.

Change-Id: Ifdc204df269350a22f52c0e4221e9d7d3b7a57fe
diff --git a/include/arch/linux-sh/AndroidConfig.h b/include/arch/linux-sh/AndroidConfig.h
index 0dd7b3b..d389a0b 100644
--- a/include/arch/linux-sh/AndroidConfig.h
+++ b/include/arch/linux-sh/AndroidConfig.h
@@ -174,6 +174,11 @@
 /* #define _LARGEFILE_SOURCE 1 */
 
 /*
+ * Define if off_t is always 64-bit
+ */
+#define HAVE_OFF64_T
+
+/*
  * Defined if we have the backtrace() call for retrieving a stack trace.
  * Needed for CallStack to operate; if not defined, CallStack is
  * non-functional.