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/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c
index 79d3cdf..d0e06e2 100644
--- a/arch/powerpc/cpu/mpc8xxx/fdt.c
+++ b/arch/powerpc/cpu/mpc8xxx/fdt.c
@@ -97,11 +97,11 @@
 }
 #endif /* CONFIG_HAS_FSL_DR_USB */
 
-#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx)
 /*
  * update crypto node properties to a specified revision of the SEC
- * called with sec_rev == 0 if not on an mpc8xxxE processor
+ * called with sec_rev == 0 if not on an E processor
  */
+#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
 void fdt_fixup_crypto_node(void *blob, int sec_rev)
 {
 	const struct sec_rev_prop {
@@ -183,4 +183,4 @@
 		printf("WARNING: could not set crypto property: %s\n",
 		       fdt_strerror(err));
 }
-#endif /* defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) */
+#endif