[Keyboard] Capsunlocked CU80 Squish and Refactor (#12193)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Erovia <Erovia@users.noreply.github.com>

keyboards/capsunlocked/cu80/v2_iso/rgb/config.h

@@ -0,0 +1,36 @@
+/*
+Copyright 2021 CapsUnlocked
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* enable RGB matrix */
+#define CU80_RGB
+
+/* update the product for RGB Matrix variant in VIA/VIAL and Remap-keys.app */
+#undef PRODUCT_ID
+#undef PRODUCT
+#define PRODUCT_ID      0x0083
+#define PRODUCT         CU80 v2 ISO RGB
+
+/* moved to RGB specific */
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 50
+
+/* RGB firmware override */
+#undef RGBLIGHT_ANIMATIONS
+#undef RGBLIGHT_HUE_STEP
+#undef RGBLIGHT_SAT_STEP
+#undef RGBLIGHT_VAL_STEP
+#undef RGBLIGHT_LIMIT_VAL

keyboards/capsunlocked/cu80/v2_iso/rgb/readme.md

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+# CU80 v2 ISO RGB
+
+Overrides

keyboards/capsunlocked/cu80/v2_iso/rgb/rules.mk

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+RGBLIGHT_ENABLE = no       # Enable keyboard RGB underglow
+RGB_MATRIX_ENABLE = yes     # Enable RGB matrix
+RGB_MATRIX_DRIVER = WS2812  # Set Driver to WS2812