input: Add a few more keyboard keycodes

The slash and * are missing from the keycode tables. Add these so that
these keypad keys can be used.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a6834cf..e65942e 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -43,7 +43,7 @@
 	'8',  '9',  '-',  '4',  '5',  '6',  '+',  '1',	/* 0x40 - 0x4f */
 	'2',  '3',  '0',  '.', 0xff, 0xff, 0xff, 0xff,
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,	/* 0x50 - 0x5F */
-	'\r', 0xff, 0xff
+	'\r', 0xff, '/',  '*',
 };
 
 static unsigned char kbd_shift_xlate[] = {
@@ -59,7 +59,7 @@
 	'8', '9', '-', '4', '5', '6', '+', '1',	/* 0x40 - 0x4f */
 	'2', '3', '0', '.', 0xff, 0xff, 0xff, 0xff, 0xff,
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,	/* 0x50 - 0x5F */
-	'\r', 0xff, 0xff
+	'\r', 0xff, '/',  '*',
 };
 
 static unsigned char kbd_ctrl_xlate[] = {
@@ -75,7 +75,7 @@
 	'8', '9', '-', '4', '5', '6', '+', '1',		/* 0x40 - 0x4f */
 	'2', '3', '0', '.', 0xff, 0xff, 0xff, 0xff,
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,	/* 0x50 - 0x5F */
-	'\r', 0xff, 0xff
+	'\r', 0xff, '/',  '*',
 };
 
 /*