spi: cadence_qspi: Fix warning cast from pointer to integer of different size

Use "%p" to print cmdbuf.

Compilation warning as below:

  CC      spl/drivers/spi/cadence_qspi_apb.o
  LD      spl/lib/built-in.o
drivers/spi/cadence_qspi_apb.c: In function ‘cadence_qspi_apb_indirect_write_setup’:
drivers/spi/cadence_qspi_apb.c:696:18: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
          cmdlen, (unsigned int)cmdbuf);

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Acked-by: Marek Vasut <marex@denx.de>

drivers/spi/cadence_qspi_apb.c

@@ -692,8 +692,8 @@ int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat,
 	unsigned int addr_bytes = cmdlen > 4 ? 4 : 3;
 
 	if (cmdlen < 4 || cmdbuf == NULL) {
-		printf("QSPI: iInvalid input argument, len %d cmdbuf 0x%08x\n",
-		       cmdlen, (unsigned int)cmdbuf);
+		printf("QSPI: Invalid input argument, len %d cmdbuf %p\n",
+		       cmdlen, cmdbuf);
 		return -EINVAL;
 	}
 	/* Setup the indirect trigger address */