mmc: core: Use host instead of card argument to mmc_spi_send_csd()

Since mmc_send_cxd_data() does not care card if opcode is MMC_SEND_CSD.

Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210201055507.542-1-zbestahu@gmail.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>