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/glacier_defconfig b/configs/glacier_defconfig
index d318f82..61444ff 100644
--- a/configs/glacier_defconfig
+++ b/configs/glacier_defconfig
@@ -5,3 +5,4 @@
 CONFIG_DEFAULT_DEVICE_TREE="glacier"
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
+CONFIG_SYS_NS16550=y