serial: sh-sci: Support ARM-based SH-Mobile CPUs.

Add support for ARM-based SH-Mobile CPUs to the sh-sci driver.

Also remove the SCLSR register that is missing on sh772x, sh7705 and
SH-Mobile.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 9ff47db0..406ad91 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -996,7 +996,7 @@
 
 config SERIAL_SH_SCI
 	tristate "SuperH SCI(F) serial port support"
-	depends on HAVE_CLK && (SUPERH || H8300)
+	depends on HAVE_CLK && (SUPERH || H8300 || ARCH_SHMOBILE)
 	select SERIAL_CORE
 
 config SERIAL_SH_SCI_NR_UARTS