ns16550: move CONFIG_SYS_NS16550 to Kconfig

Move CONFIG_SYS_NS16550 to Kconfig, and run moveconfig.py.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
diff --git a/configs/ls2085aqds_defconfig b/configs/ls2085aqds_defconfig
index 78b121d..5b4f7eb 100644
--- a/configs/ls2085aqds_defconfig
+++ b/configs/ls2085aqds_defconfig
@@ -11,4 +11,5 @@
 CONFIG_DM=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
+CONFIG_SYS_NS16550=y
 CONFIG_FSL_DSPI=y