auxdisplay: panel: Fix missing print function pointer

charlcd drivers need to provide some print function to charlcd. For
hd44780 based panel driver this function was missing. We provide the
generic hd44780_common_print function which should be suitable.

Fixes: b26deabb ("auxdisplay: hd44780_common_print")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

drivers/auxdisplay/panel.c

@@ -810,6 +810,7 @@ static void lcd_write_data_tilcd(struct hd44780_common *hdc, int data)
 
 static const struct charlcd_ops charlcd_serial_ops = {
 	.backlight	= lcd_backlight,
+	.print		= hd44780_common_print,
 	.gotoxy		= hd44780_common_gotoxy,
 	.home		= hd44780_common_home,
 	.clear_display	= hd44780_common_clear_display,
@@ -826,6 +827,7 @@ static const struct charlcd_ops charlcd_serial_ops = {
 
 static const struct charlcd_ops charlcd_parallel_ops = {
 	.backlight	= lcd_backlight,
+	.print		= hd44780_common_print,
 	.gotoxy		= hd44780_common_gotoxy,
 	.home		= hd44780_common_home,
 	.clear_display	= hd44780_common_clear_display,
@@ -842,6 +844,7 @@ static const struct charlcd_ops charlcd_parallel_ops = {
 
 static const struct charlcd_ops charlcd_tilcd_ops = {
 	.backlight	= lcd_backlight,
+	.print		= hd44780_common_print,
 	.gotoxy		= hd44780_common_gotoxy,
 	.home		= hd44780_common_home,
 	.clear_display	= hd44780_common_clear_display,