cmd: Kconfig: Move CONFIG_MP to Kconfig

This patch moves CONFIG_MP to Kconfig

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/ls2080a_simu_defconfig b/configs/ls2080a_simu_defconfig
index 1cf5796..b6de767 100644
--- a/configs/ls2080a_simu_defconfig
+++ b/configs/ls2080a_simu_defconfig
@@ -25,6 +25,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
+CONFIG_MP=y
 # CONFIG_ISO_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 CONFIG_NET_RANDOM_ETHADDR=y