refactor(boards): Move nice!60 to HWMv2

Migrate nice!60 to HWMv2.

app/boards/arm/nice60/Kconfig.board

@@ -1,6 +0,0 @@
-# Copyright (c) 2021 Nick Winans
-# SPDX-License-Identifier: MIT
-
-config BOARD_NICE60
-    bool "nice!60"
-    depends on SOC_NRF52840_QIAA

app/boards/nicekeyboards/nice60/Kconfig.nice60

@@ -0,0 +1,5 @@
+# Copyright (c) 2021 Nick Winans
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NICE60
+    select SOC_NRF52840_QIAA

app/boards/nicekeyboards/nice60/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: nice60
+  vendor: nicekeyboards
+  socs:
+    - name: nrf52840

app/boards/nicekeyboards/nice60/nice60.dts

@@ -92,6 +92,10 @@ RC(4,0)   RC(4,1)   RC(4,2)                      RC(4,5)                       R
     };
 };
 
+&reg1 {
+    regulator-initial-mode = <NRF5X_REG_MODE_DCDC>;
+};
+
 &adc {
     status = "okay";
 };

app/boards/nicekeyboards/nice60/nice60_defconfig

@@ -1,10 +1,6 @@
 # Copyright (c) 2021 Nick Winans
 # SPDX-License-Identifier: MIT
 
-CONFIG_SOC_SERIES_NRF52X=y
-CONFIG_SOC_NRF52840_QIAA=y
-CONFIG_BOARD_NICE60=y
-
 # Enable MPU
 CONFIG_ARM_MPU=y
 
@@ -24,11 +20,10 @@ CONFIG_FLASH_PAGE_LAYOUT=y
 CONFIG_FLASH_MAP=y
 
 CONFIG_ZMK_RGB_UNDERGLOW=y
-CONFIG_WS2812_STRIP=y
+#CONFIG_WS2812_STRIP=y
 
 CONFIG_ZMK_RGB_UNDERGLOW_HUE_START=160
 CONFIG_ZMK_RGB_UNDERGLOW_EFF_START=3
 
-
 CONFIG_ZMK_USB=y
-CONFIG_ZMK_BLE=y
+CONFIG_ZMK_BLE=y