Convert CONFIG_SYS_FSL_SFP_BE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_KEY_REVOCATION
   CONFIG_SYS_FSL_SFP_BE
   CONFIG_SYS_FSL_SFP_LE
   CONFIG_SYS_FSL_SFP_VER_3_0
   CONFIG_SYS_FSL_SFP_VER_3_2
   CONFIG_SYS_FSL_SFP_VER_3_4
   CONFIG_SYS_FSL_SRK_LE

This partly means making sure to enable SYS_FSL_ERRATUM_A007186 only for
when CHAIN_OF_TRUST is enabled.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 2cc0185..0ef5e73 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -196,7 +196,7 @@
 	select SYS_FSL_ERRATUM_A006475
 	select SYS_FSL_ERRATUM_A006593
 	select SYS_FSL_ERRATUM_A007075
-	select SYS_FSL_ERRATUM_A007186
+	select SYS_FSL_ERRATUM_A007186 if CHAIN_OF_TRUST
 	select SYS_FSL_ERRATUM_A007212
 	select SYS_FSL_ERRATUM_A009942
 	select SYS_FSL_HAS_DDR3
@@ -224,7 +224,7 @@
 	select SYS_FSL_ERRATUM_A006475
 	select SYS_FSL_ERRATUM_A006593
 	select SYS_FSL_ERRATUM_A007075
-	select SYS_FSL_ERRATUM_A007186
+	select SYS_FSL_ERRATUM_A007186 if CHAIN_OF_TRUST
 	select SYS_FSL_ERRATUM_A007212
 	select SYS_FSL_ERRATUM_A007907
 	select SYS_FSL_ERRATUM_A009942
@@ -735,7 +735,7 @@
 	select SYS_FSL_DDR_VER_47
 	select SYS_FSL_ERRATUM_A006379
 	select SYS_FSL_ERRATUM_A006593
-	select SYS_FSL_ERRATUM_A007186
+	select SYS_FSL_ERRATUM_A007186 if CHAIN_OF_TRUST
 	select SYS_FSL_ERRATUM_A007212
 	select SYS_FSL_ERRATUM_A007815
 	select SYS_FSL_ERRATUM_A007907
@@ -768,7 +768,7 @@
 	select SYS_FSL_ERRATUM_A006261
 	select SYS_FSL_ERRATUM_A006379
 	select SYS_FSL_ERRATUM_A006593
-	select SYS_FSL_ERRATUM_A007186
+	select SYS_FSL_ERRATUM_A007186 if CHAIN_OF_TRUST
 	select SYS_FSL_ERRATUM_A007798
 	select SYS_FSL_ERRATUM_A007815
 	select SYS_FSL_ERRATUM_A007907