mmc: zynq: Use phys_addr_t for addresses

phys_addr_t is designed for physical addresses that's why
use it.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/include/asm/arch-zynq/sys_proto.h

@@ -20,7 +20,7 @@ extern void zynq_ddrc_init(void);
 extern unsigned int zynq_get_silicon_version(void);
 
 /* Driver extern functions */
-extern int zynq_sdhci_init(u32 regbase);
+extern int zynq_sdhci_init(phys_addr_t regbase);
 extern int zynq_sdhci_of_init(const void *blob);
 
 extern void ps7_init(void);

drivers/mmc/zynq_sdhci.c

@@ -13,7 +13,7 @@
 #include <sdhci.h>
 #include <asm/arch/sys_proto.h>
 
-int zynq_sdhci_init(u32 regbase)
+int zynq_sdhci_init(phys_addr_t regbase)
 {
 	struct sdhci_host *host = NULL;
 
@@ -40,7 +40,7 @@ int zynq_sdhci_of_init(const void *blob)
 {
 	int offset = 0;
 	u32 ret = 0;
-	u32 reg;
+	phys_addr_t reg;
 
 	debug("ZYNQ SDHCI: Initialization\n");