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_ramboot_defconfig b/configs/glacier_ramboot_defconfig
index 98bcaf4..11d7da2 100644
--- a/configs/glacier_ramboot_defconfig
+++ b/configs/glacier_ramboot_defconfig
@@ -6,3 +6,4 @@
 CONFIG_SYS_EXTRA_OPTIONS="SYS_RAMBOOT,SYS_TEXT_BASE=0x01000000,SYS_LDSCRIPT=board/amcc/canyonlands/u-boot-ram.lds"
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
+CONFIG_SYS_NS16550=y