boards: sparc: gr716a: Convert to v2

Converts the board to hwmv2

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

boards/v2/gaisler/gr716a_mini/Kconfig.defconfig

@@ -4,9 +4,6 @@
 
 if BOARD_GR716A_MINI
 
-config BOARD
-	default "gr716a_mini"
-
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	default 20000000
 

boards/v2/gaisler/gr716a_mini/Kconfig.gr716a_mini

@@ -3,5 +3,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_GR716A_MINI
-	bool "GR716-MINI Development Board"
+	select SOC_GR716A
-	depends on SOC_GR716A

boards/v2/gaisler/gr716a_mini/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: gr716a_mini
+  vendor: Gaisler
+  socs:
+  - name: gr716a

boards/v2/gaisler/gr716a_mini/gr716a_mini_defconfig

@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_GR716A=y
-CONFIG_BOARD_GR716A_MINI=y
 CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y