mips: bmips: enable bcm6328-power-domain driver for BCM6328 and BCM63268 boards

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

configs/comtrend_ar5387un_ram_defconfig

 CONFIG_ARCH_BMIPS=y
 CONFIG_BAUDRATE=115200
+CONFIG_BCM6328_POWER_DOMAIN=y
 CONFIG_BCM6345_CLK=y
 CONFIG_BCM6345_SERIAL=y
 CONFIG_BMIPS_BOOT_RAM=y
@@ -42,6 +43,7 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_BOOT_ENV_LEGACY is not set
 CONFIG_MIPS_BOOT_FDT=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_POWER_DOMAIN=y
 CONFIG_RESET=y
 CONFIG_RESET_BCM6345=y
 CONFIG_SOC_BMIPS_BCM6328=y

configs/comtrend_vr3032u_ram_defconfig

 CONFIG_ARCH_BMIPS=y
 CONFIG_BAUDRATE=115200
+CONFIG_BCM6328_POWER_DOMAIN=y
 CONFIG_BCM6345_CLK=y
 CONFIG_BCM6345_SERIAL=y
 CONFIG_BMIPS_BOOT_RAM=y
@@ -42,6 +43,7 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_BOOT_ENV_LEGACY is not set
 CONFIG_MIPS_BOOT_FDT=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_POWER_DOMAIN=y
 CONFIG_RESET=y
 CONFIG_RESET_BCM6345=y
 CONFIG_SOC_BMIPS_BCM63268=y