mmc: MMC_SDHI_{SYS,INTERNAL}_DMAC should depend on HAS_DMA

If NO_DMA=y:

    ERROR: "bad_dma_ops" [drivers/mmc/host/renesas_sdhi_sys_dmac.ko] undefined!
    ERROR: "bad_dma_ops" [drivers/mmc/host/renesas_sdhi_internal_dmac.ko] undefined!

Add dependencies on HAS_DMA to fix this.

Fixes: e578afab ("mmc: renesas_sdhi: remove wrong depends on to enable compile test")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>