powerpc/8xxx: Distinguish between incompatible SEC h/w types

CONFIG_SYS_FSL_SEC_COMPAT is set to 2 for the SEC 2.x and SEC 3.x.
Parts with newer SEC h/w versions will increment the number to
accomodate incompatible code changes.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/config.h b/arch/powerpc/include/asm/config.h
index fc3facb..1c61784 100644
--- a/arch/powerpc/include/asm/config.h
+++ b/arch/powerpc/include/asm/config.h
@@ -66,6 +66,13 @@
 #define CONFIG_TSECV2
 #endif
 
+/*
+ * SEC (crypto unit) major compatible version determination
+ */
+#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC83xx)
+#define CONFIG_SYS_FSL_SEC_COMPAT	2
+#endif
+
 /* Number of TLB CAM entries we have on FSL Book-E chips */
 #if defined(CONFIG_E500MC)
 #define CONFIG_SYS_NUM_TLBCAMS	64