cmd: add Kconfig option for 'date' command

Signed-off-by: Chris Packham <judge.packham@gmail.com>
[trini: default y if DM_RTC, re-sync]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/v38b_defconfig b/configs/v38b_defconfig
index 9470628..db4c47c 100644
--- a/configs/v38b_defconfig
+++ b/configs/v38b_defconfig
@@ -9,6 +9,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_DATE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_DIAG=y
 CONFIG_MAC_PARTITION=y