rename TANBAC TB0219 config

Rename config for TANBAC TB0219 GPIO support to something more appropriate.

Fixes this:

drivers/char/Kconfig:906:warning: type of 'TANBAC_TB0219' redefined from 'boolean' to 'tristate'
drivers/char/Kconfig:907:warning: choice values currently only support a single
prompt

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index d0c978f..a26d917 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -905,8 +905,8 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called sonypi.
 
-config TANBAC_TB0219
-	tristate "TANBAC TB0219 base board support"
+config GPIO_TB0219
+	tristate "TANBAC TB0219 GPIO support"
 	depends on TANBAC_TB022X
 	select GPIO_VR41XX