dmaengine: HISI_DMA should depend on ARCH_HISI

dmaengine: HISI_DMA should depend on ARCH_HISI

The HiSilicon DMA Engine is only present on HiSilicon SoCs.  Hence add a
dependency on ARCH_HISI, to prevent asking the user about this driver
when configuring a kernel without HiSilicon SoC support.

Fixes: e9f08b65250d73ab ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/363a1816d36cd3cf604d88ec90f97c75f604de64.1669044190.git.geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>