serial: sh-sci: Restrict non-COMPILE_TEST compilation

Hardware supported by the driver is only found on SUPERH or
ARCH_SHMOBILE platforms. Restrict non-COMPILE_TEST compilation to them.

Cc: linux-serial@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/Kconfig

@@ -708,7 +708,8 @@ config SERIAL_IP22_ZILOG_CONSOLE
 
 config SERIAL_SH_SCI
 	tristate "SuperH SCI(F) serial port support"
-	depends on HAVE_CLK && (SUPERH || ARM || COMPILE_TEST)
+	depends on HAVE_CLK
+	depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
 	select SERIAL_CORE
 
 config SERIAL_SH_SCI_NR_UARTS