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/bcm958300k_defconfig b/configs/bcm958300k_defconfig
index 584ce17..ec7370f 100644
--- a/configs/bcm958300k_defconfig
+++ b/configs/bcm958300k_defconfig
@@ -5,5 +5,7 @@
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PING=y
+CONFIG_CMD_TIME=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y