Input: sgi_btns - add support for SGI Indy volume buttons

Also rename sgio2_btns to sgi_btns since the driver is not only
for SGI O2 anymore.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 0e274f1..f48009b 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -19,4 +19,4 @@
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
 obj-$(CONFIG_INPUT_APANEL)		+= apanel.o
-obj-$(CONFIG_INPUT_SGIO2_BTNS)		+= sgio2_btns.o
+obj-$(CONFIG_INPUT_SGI_BTNS)		+= sgi_btns.o