Input: add more Braille keycodes

Some braille keyboards have 10 dots, so extend the Input braille keys
definitions.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/input.h b/include/linux/input.h
index e02c6a6..17df5a7 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -552,6 +552,8 @@
 #define KEY_BRL_DOT6		0x1f6
 #define KEY_BRL_DOT7		0x1f7
 #define KEY_BRL_DOT8		0x1f8
+#define KEY_BRL_DOT9		0x1f9
+#define KEY_BRL_DOT10		0x1fa
 
 /* We avoid low common keys in module aliases so they don't get huge. */
 #define KEY_MIN_INTERESTING	KEY_MUTE