Add encoder map to boardsource/lulu, and some other dd migrations (#19281)

keyboards/boardsource/lulu/config.h

@@ -2,12 +2,4 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
-#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 150
 #define RGB_MATRIX_LED_COUNT 70
-#define RGB_MATRIX_SPLIT { 35, 35 }
-#define ENABLE_RGB_MATRIX_ALPHAS_MODS
-#define ENABLE_RGB_MATRIX_GRADIENT_UP_DOWN
-#define ENABLE_RGB_MATRIX_GRADIENT_LEFT_RIGHT
-#define ENABLE_RGB_MATRIX_BREATHING
-#define ENABLE_RGB_MATRIX_BAND_SAT
-#define ENABLE_RGB_MATRIX_BAND_VAL