serial: sh: Convert to Kconfig

Convert the SH Serial to Kconfig using tools/moveconfig.py tool
and a bit of manual adjustment to cater for failed conversions.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/configs/r2dplus_defconfig b/configs/r2dplus_defconfig
index 32a1272..31b9cc4 100644
--- a/configs/r2dplus_defconfig
+++ b/configs/r2dplus_defconfig
@@ -12,4 +12,5 @@
 CONFIG_NETDEVICES=y
 CONFIG_RTL8139=y
 CONFIG_PCI=y
+CONFIG_SCIF_CONSOLE=y
 CONFIG_USE_PRIVATE_LIBGCC=y