Convert all the applets from #include to USE(). Had to fix some nonstandard
naming along the way to get USE() macros for everything.
diff --git a/miscutils/Makefile.in b/miscutils/Makefile.in
index 2c651d3..a0b6b72 100644
--- a/miscutils/Makefile.in
+++ b/miscutils/Makefile.in
@@ -24,7 +24,7 @@
MISCUTILS-$(CONFIG_MAKEDEVS) += makedevs.o
MISCUTILS-$(CONFIG_MOUNTPOINT) += mountpoint.o
MISCUTILS-$(CONFIG_MT) += mt.o
-MISCUTILS-$(BB_APPLET_RUNLEVEL) += runlevel.o
+MISCUTILS-$(CONFIG_RUNLEVEL) += runlevel.o
MISCUTILS-$(CONFIG_RX) += rx.o
MISCUTILS-$(CONFIG_SETSID) += setsid.o
MISCUTILS-$(CONFIG_STRINGS) += strings.o