SPI: SPL: sunxi: fix 64-bit build

Addresses passed on to readl and writel are expected to be of the same
size as a pointer. Change the parameter types of sunxi_spi0_read_data()
to make the compiler happy and allow a warning-free aarch64 compile.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>

drivers/mtd/spi/sunxi_spi_spl.c

@@ -185,14 +185,14 @@ static void spi0_deinit(void)
 #define SPI_READ_MAX_SIZE 60 /* FIFO size, minus 4 bytes of the header */
 
 static void sunxi_spi0_read_data(u8 *buf, u32 addr, u32 bufsize,
-				 u32 spi_ctl_reg,
-				 u32 spi_ctl_xch_bitmask,
-				 u32 spi_fifo_reg,
-				 u32 spi_tx_reg,
-				 u32 spi_rx_reg,
-				 u32 spi_bc_reg,
-				 u32 spi_tc_reg,
-				 u32 spi_bcc_reg)
+				 ulong spi_ctl_reg,
+				 ulong spi_ctl_xch_bitmask,
+				 ulong spi_fifo_reg,
+				 ulong spi_tx_reg,
+				 ulong spi_rx_reg,
+				 ulong spi_bc_reg,
+				 ulong spi_tc_reg,
+				 ulong spi_bcc_reg)
 {
 	writel(4 + bufsize, spi_bc_reg); /* Burst counter (total bytes) */
 	writel(4, spi_tc_reg);           /* Transfer counter (bytes to send) */