Input: add driver for MIPS Cobalt back panel buttons

Tested on Cobalt Qube2.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 41b4258..5694115 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -40,6 +40,15 @@
 	tristate "M68k Beeper support"
 	depends on M68K
 
+config INPUT_COBALT_BTNS
+	tristate "Cobalt button interface"
+	depends on MIPS_COBALT
+	help
+	  Say Y here if you want to support MIPS Cobalt button interface.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cobalt_btns.
+
 config INPUT_WISTRON_BTNS
 	tristate "x86 Wistron laptop button interface"
 	depends on X86 && !X86_64
@@ -82,7 +91,7 @@
 	  module will be called uinput.
 
 config HP_SDC_RTC
-	tristate "HP SDC Real Time Clock"       
+	tristate "HP SDC Real Time Clock"
 	depends on GSC || HP300
 	select HP_SDC
 	help