regularize options which control size/speed trade

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/configs/TEST_rh9_defconfig b/configs/TEST_rh9_defconfig
index 23094e3..193d8f6 100644
--- a/configs/TEST_rh9_defconfig
+++ b/configs/TEST_rh9_defconfig
@@ -88,7 +88,7 @@
 # Busybox Library Tuning
 #
 CONFIG_PASSWORD_MINLEN=6
-CONFIG_MD5_SIZE_VS_SPEED=2
+CONFIG_MD5_SMALL=1
 CONFIG_FEATURE_FAST_TOP=y
 # CONFIG_FEATURE_ETC_NETWORKS is not set
 CONFIG_FEATURE_EDITING=y