mmc: zynq_sdhci: Move macro to the top

Just group macros below headers. Other patches will be using this location
too.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 4f62bd0..998a384 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -19,6 +19,8 @@
 #include <sdhci.h>
 #include <zynqmp_tap_delay.h>
 
+#define SDHCI_TUNING_LOOP_COUNT		40
+
 struct arasan_sdhci_plat {
 	struct mmc_config cfg;
 	struct mmc mmc;
@@ -46,8 +48,6 @@
 	[MMC_HS_200] = MMC_TIMING_MMC_HS200,
 };
 
-#define SDHCI_TUNING_LOOP_COUNT	40
-
 static void arasan_zynqmp_dll_reset(struct sdhci_host *host, u8 deviceid)
 {
 	u16 clk;