ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
Low-level debugging using the Broadcom Kona UART only makes sense on the
ARCH_BCM_MOBILE platform and would otherwise prevent ARCH_BCM_63XX from
picking up the right UART implementation by default.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Florian Fainelli