Currently only RADDS/Graphic display is tested and configured in V2. See in boards/radds.j near end you have
// Controller related default pins
#ifndef CUSTOM_CONTROLLER_PINS
#if FEATURE_CONTROLLER == CONTROLLER_SPARKLCD
#define UI_DISPLAY_RS_PIN 25
#define UI_DISPLAY_RW_PIN -1
#define UI_DISPLAY_ENABLE_PIN 27
#define UI_DISPLAY_D4_PIN 29
#define UI_DISPLAY_D5_PIN -1
#define UI_ENCODER_A 35
#define UI_ENCODER_B 33
#define UI_ENCODER_CLICK 37
#define UI_RESET_PIN -1
#define UI_BACK_PIN -1
#elif FEATURE_CONTROLLER == CONTROLLER_SPARKLCD_ADAPTER || FEATURE_CONTROLLER == CONTROLLER_ORCABOTXXLPRO2
#define UI_DISPLAY_RS_PIN 44
#define UI_DISPLAY_RW_PIN -1
#define UI_DISPLAY_ENABLE_PIN 45
#define UI_DISPLAY_D4_PIN 46
#define UI_DISPLAY_D5_PIN -1
#define UI_ENCODER_A 50
#define UI_ENCODER_B 52
#define UI_ENCODER_CLICK 48
#define UI_RESET_PIN -1
#define UI_BACK_PIN -1
#else
// This is for offcial display port usage
#define BEEPER_PIN 41
#define UI_DISPLAY_RS_PIN 42
#define UI_DISPLAY_RW_PIN -1
#define UI_DISPLAY_ENABLE_PIN 43
#define UI_DISPLAY_D0_PIN 44
#define UI_DISPLAY_D1_PIN 45
#define UI_DISPLAY_D2_PIN 46
#define UI_DISPLAY_D3_PIN 47
#define UI_DISPLAY_D4_PIN 44
#define UI_DISPLAY_D5_PIN 45
#define UI_DISPLAY_D6_PIN 46
#define UI_DISPLAY_D7_PIN 47
#define UI_ENCODER_A 50
#define UI_ENCODER_B 52
#define UI_ENCODER_CLICK 48
#define UI_RESET_PIN -1
#define UI_BACK_PIN 71
#endif
#endif
So in contrast to V1 we now move the display pin assignments to the boards. I still have to move them from DisplayList.h in V1 to the boards and merge identical pins into groups. But you can easily do that for your board and it should work.
