Convert CONFIG_CMD_ERRATA to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_ERRATA

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/controlcenterd_TRAILBLAZER_DEVELOP_defconfig b/configs/controlcenterd_TRAILBLAZER_DEVELOP_defconfig
index edc6908..67db09e 100644
--- a/configs/controlcenterd_TRAILBLAZER_DEVELOP_defconfig
+++ b/configs/controlcenterd_TRAILBLAZER_DEVELOP_defconfig
@@ -1,6 +1,7 @@
 CONFIG_PPC=y
 CONFIG_IDENT_STRING=" controlcenterd trailblazer 0.01"
 CONFIG_MPC85xx=y
+# CONFIG_CMD_ERRATA is not set
 CONFIG_TARGET_CONTROLCENTERD=y
 CONFIG_SYS_EXTRA_OPTIONS="TRAILBLAZER,SPIFLASH,DEVELOP"
 CONFIG_BOOTDELAY=-2