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/T1024QDS_DDR4_defconfig b/configs/T1024QDS_DDR4_defconfig
index 174fbca..c8dad93 100644
--- a/configs/T1024QDS_DDR4_defconfig
+++ b/configs/T1024QDS_DDR4_defconfig
@@ -3,3 +3,4 @@
 CONFIG_TARGET_T102XQDS=y
 CONFIG_SYS_EXTRA_OPTIONS="PPC_T1024,SYS_FSL_DDR4"
 CONFIG_SPI_FLASH=y
+CONFIG_SYS_NS16550=y