Input: Add Euro and Dollar key codes

Most newer Acer laptops (from 2005 onwards) now ship with an extra Dollar
and Euro key either side of the 'Up' arrow. These cannot be mapped in the
traditional way, since they are not combination keys.
Signed-off-by: NCarlos Corbacho <cathectic@gmail.com>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

include/linux/input.h

@@ -527,6 +527,9 @@ struct input_absinfo {
 #define KEY_SPELLCHECK		0x1b0   /* AL Spell Check */
 #define KEY_LOGOFF		0x1b1   /* AL Logoff */
 
+#define KEY_DOLLAR		0x1b2
+#define KEY_EURO		0x1b3
+
 #define KEY_DEL_EOL		0x1c0
 #define KEY_DEL_EOS		0x1c1
 #define KEY_INS_LINE		0x1c2