configs: Re-sync almost all of cmd/Kconfig

This syncs up the current cmd/Kconfig and include/configs/ files with the
only exception being CMD_NAND.  Due to how we have used this historically
we need to take further care here when converting.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/M5249EVB_defconfig b/configs/M5249EVB_defconfig
index 2358d24..9bc8da9 100644
--- a/configs/M5249EVB_defconfig
+++ b/configs/M5249EVB_defconfig
@@ -1,5 +1,6 @@
 CONFIG_M68K=y
 CONFIG_TARGET_M5249EVB=y
 CONFIG_SYS_TEXT_BASE=0xffe00000
+CONFIG_LOOPW=y
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NET is not set