The MPS2 board has 2 LEDs, but the MPS3 board has 10 LEDs. The
FPGAIO device is similar on both sets of boards, but the LED0
register has correspondingly more bits that have an effect. Add a
device property for number of LEDs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210215115138.20465-6-peter.maydell@linaro.org
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