I installed the new version RetroPie_OpenELEC_Dual-Boot_v7_SS, I proceeded according to this video https://www.petrockblock.com/forums/topic/video-guide-for-ps3-wireless-controller-on-retropie-3-final/ but my PS3 wirelles gamepad works only in the menu, does not in any ROM (Megadrive, PSX, Nintendo) is not working. The previous installation Retropie 3.0 RC everything worked OK.
In /opt/retropie/configs/all/retroarch-joypads/PLAYSTATION(R)3Controller.cfg

input_device = "PLAYSTATION(R)3 Controller"
input_driver = "udev"
input_b_btn = "14"
input_y_btn = "15"
input_select_btn = "0"
input_start_btn = "3"
input_up_btn = "4"
input_down_btn = "6"
input_left_btn = "7"
input_right_btn = "5"
input_a_btn = "13"
input_x_btn = "12"
input_l_btn = "10"
input_r_btn = "11"
input_l2_btn = "8"
input_r2_btn = "9"
input_l3_btn = "1"
input_r3_btn = "2"
input_l_x_plus_axis = "+0"
input_l_x_minus_axis = "-0"
input_l_y_plus_axis = "+1"
input_l_y_minus_axis = "-1"
input_r_x_plus_axis = "+2"
input_r_x_minus_axis = "-2"
input_r_y_plus_axis = "+3"
input_r_y_minus_axis = "-3"
input_enable_hotkey_btn = "0"
input_exit_emulator_btn = "3"
input_menu_toggle_btn = "12"
input_load_state_btn = "10"
input_save_state_btn = "11"
input_reset_btn = "14"
input_state_slot_increase_btn = "5"
input_state_slot_decrease_btn = "7"

EDIT: Problem solved
https://www.petrockblock.com/forums/topic/retropie-openelec-kodi-dual-boot/page/7/