mmc: mmc_spi: Convert 'multiple' to be boolean in mmc_spi_data_do()

Convert 'multiple' to be boolean in mmc_spi_data_do() since
it's initially being used as boolean.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211206115218.73874-1-andriy.shevchenko@linux.intel.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mmc_spi.c

@@ -547,7 +547,7 @@ mmc_spi_command_send(struct mmc_spi_host *host,
 static void
 mmc_spi_setup_data_message(
 	struct mmc_spi_host	*host,
-	int			multiple,
+	bool			multiple,
 	enum dma_data_direction	direction)
 {
 	struct spi_transfer	*t;
@@ -862,7 +862,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
 	enum dma_data_direction	direction;
 	struct scatterlist	*sg;
 	unsigned		n_sg;
-	int			multiple = (data->blocks > 1);
+	bool			multiple = (data->blocks > 1);
 	u32			clock_rate;
 	unsigned long		timeout;