hw/arm/musicpal: Use AddressSpace for DMA transfers

Allow the device to execute the DMA transfers in a different
AddressSpace.

We keep using the system_memory address space, but via the
proper dma_memory_access() API.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200814125533.4047-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1 file changed