Added a separate keymap for escaped scancodes. This makes the code

a little cleaner (escaped scancodes are less of a special case) and
lets us be completely flexible when assigning meaning to them.

Future: a tool and ioctl to load the escaped keymap.

drivers/tty/keymaps/polish.src

@@ -4,9 +4,6 @@
  * Charset: ISO-8859-2 - [Polska Norma PN-93 T-42118]
  */
 
-
-u16_t keymap[NR_SCAN_CODES * MAP_COLS] = {
-
 /* scan-code		!Shift	Shift	Alt1	Alt2	Alt+Sh	Ctrl	*/
 /* ==================================================================== */
 /* 00 - none	*/	0,	0,	0,	0,	0,	0,	
@@ -137,4 +134,3 @@ u16_t keymap[NR_SCAN_CODES * MAP_COLS] = {
 /*125 - ???	*/	0,	0,	0,	0,	0,	0,
 /*126 - ???	*/	0,	0,	0,	0,	0,	0,
 /*127 - ???	*/	0,	0,	0,	0,	0,	0
-};