Input: adds the context menu key (HUT GenDesc 0x84)

Signed-off-by: NAristeu Rozanski <aris@ruivo.org>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

include/linux/input.h

@@ -533,6 +533,8 @@ struct input_absinfo {
 #define KEY_FRAMEBACK		0x1b4	/* Consumer - transport controls */
 #define KEY_FRAMEFORWARD	0x1b5
 
+#define KEY_CONTEXT_MENU	0x1b6	/* GenDesc - system context menu */
+
 #define KEY_DEL_EOL		0x1c0
 #define KEY_DEL_EOS		0x1c1
 #define KEY_INS_LINE		0x1c2