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/jesurun_q5_defconfig b/configs/jesurun_q5_defconfig
index 443a1c7..0e140f9 100644
--- a/configs/jesurun_q5_defconfig
+++ b/configs/jesurun_q5_defconfig
@@ -12,5 +12,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 CONFIG_CMD_GPIO=y
+CONFIG_SYS_NS16550=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y