tty/vt: consolemap: use E_TABSZ for the translations size

The code expects "translations" to have 256 (E_TABSZ) values. Use the
macro instead of the constant to be explicit about this.
Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220614090537.15557-8-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/vt/consolemap.c

@@ -38,7 +38,7 @@
 #include <linux/vt_kern.h>
 #include <linux/string.h>
 
-static unsigned short translations[][256] = {
+static unsigned short translations[][E_TABSZ] = {
   /* 8-bit Latin-1 mapped to Unicode -- trivial mapping */
   [LAT1_MAP] = {
     0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,