ARM: multi_v7_defconfig: Enable BCM63xx

Enable ARCH_BCM_63XX to build ARM-specific boot and SMP code, as well as
the serial console driver for this platform.
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/configs/multi_v7_defconfig

@@ -36,6 +36,7 @@ CONFIG_ARCH_BCM_21664=y
 CONFIG_ARCH_BCM_281XX=y
 CONFIG_ARCH_BCM_5301X=y
 CONFIG_ARCH_BCM2835=y
+CONFIG_ARCH_BCM_63XX=y
 CONFIG_ARCH_BRCMSTB=y
 CONFIG_ARCH_BERLIN=y
 CONFIG_MACH_BERLIN_BG2=y
@@ -291,6 +292,8 @@ CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
 CONFIG_SERIAL_ATMEL=y
 CONFIG_SERIAL_ATMEL_CONSOLE=y
 CONFIG_SERIAL_ATMEL_TTYAT=y
+CONFIG_SERIAL_BCM63XX=y
+CONFIG_SERIAL_BCM63XX_CONSOLE=y
 CONFIG_SERIAL_MESON=y
 CONFIG_SERIAL_MESON_CONSOLE=y
 CONFIG_SERIAL_SAMSUNG=y