ddr: altera: sdram: Clean up set_sdr_static_cfg()

Get rid of the constant clrsetbits_le32(), instead prepare the whole
content of the register once and write it at the end of the function.

Signed-off-by: Marek Vasut <marex@denx.de>

drivers/ddr/altera/sdram.c

@@ -393,15 +393,14 @@ static void set_sdr_addr_rw(void)
 
 static void set_sdr_static_cfg(void)
 {
-	debug("Configuring STATICCFG\n");
-	clrsetbits_le32(&sdr_ctrl->static_cfg, SDR_CTRLGRP_STATICCFG_MEMBL_MASK,
-			CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL <<
-			SDR_CTRLGRP_STATICCFG_MEMBL_LSB);
-
-	clrsetbits_le32(&sdr_ctrl->static_cfg,
-			SDR_CTRLGRP_STATICCFG_USEECCASDATA_MASK,
-			CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA <<
+	const u32 static_cfg =
+		(CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL <<
+			SDR_CTRLGRP_STATICCFG_MEMBL_LSB)	|
+		(CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA <<
 			SDR_CTRLGRP_STATICCFG_USEECCASDATA_LSB);
+
+	debug("Configuring STATICCFG\n");
+	writel(static_cfg, &sdr_ctrl->static_cfg);
 }
 
 static void set_sdr_fifo_cfg(void)