Keyboard: Enable using shared user hhkb layout for dz60 (#3549)

keyboards/dz60/dz60.h

@@ -49,6 +49,20 @@
 	{ KC_NO, K401,  KC_NO, K403,  KC_NO, KC_NO, K406,  KC_NO, KC_NO, KC_NO, K410,  K411,  KC_NO, KC_NO, KC_NO }  \
 }
 
+#define LAYOUT_60_hhkb( \
+	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
+	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
+	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
+	K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
+	      K401,       K403,             K406,                         K411,       K413  \
+) { \
+	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012,  K013,  K014 }, \
+	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112,  K113,  K114 }, \
+	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212,  K213,  KC_NO }, \
+	{ K300,  KC_NO, K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  KC_NO, K313,  K314 }, \
+	{ KC_NO, K401,  KC_NO, K403,  KC_NO, KC_NO, K406,  KC_NO, KC_NO, KC_NO, KC_NO, K411,  KC_NO, K413,  KC_NO }  \
+}
+
 #define LAYOUT_2_shifts( \
 	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
 	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \

keyboards/dz60/rules.mk

@@ -55,4 +55,4 @@ BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
 AUDIO_ENABLE = no
 RGBLIGHT_ENABLE = yes
 
-LAYOUTS = 60_ansi 60_iso
+LAYOUTS = 60_ansi 60_iso 60_hhkb