ddr: altera: silence PHY calibration unless in debug mode

This driver has been using printf() including filename since it was
added. Convert to using debug() instead.

Signed-off-by: Simon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com>

drivers/ddr/altera/sequencer.c

@@ -3534,7 +3534,7 @@ static void debug_mem_calibrate(int pass)
 	u32 debug_info;
 
 	if (pass) {
-		printf("%s: CALIBRATION PASSED\n", __FILE__);
+		debug("%s: CALIBRATION PASSED\n", __FILE__);
 
 		gbl->fom_in /= 2;
 		gbl->fom_out /= 2;
@@ -3553,7 +3553,7 @@ static void debug_mem_calibrate(int pass)
 		writel(debug_info, &phy_mgr_cfg->cal_debug_info);
 		writel(PHY_MGR_CAL_SUCCESS, &phy_mgr_cfg->cal_status);
 	} else {
-		printf("%s: CALIBRATION FAILED\n", __FILE__);
+		debug("%s: CALIBRATION FAILED\n", __FILE__);
 
 		debug_info = gbl->error_stage;
 		debug_info |= gbl->error_substage << 8;
@@ -3570,7 +3570,7 @@ static void debug_mem_calibrate(int pass)
 		writel(debug_info, &sdr_reg_file->failing_stage);
 	}
 
-	printf("%s: Calibration complete\n", __FILE__);
+	debug("%s: Calibration complete\n", __FILE__);
 }
 
 /**
@@ -3741,7 +3741,7 @@ int sdram_calibration_full(void)
 
 	initialize_tracking();
 
-	printf("%s: Preparing to start memory calibration\n", __FILE__);
+	debug("%s: Preparing to start memory calibration\n", __FILE__);
 
 	debug("%s:%d\n", __func__, __LINE__);
 	debug_cond(DLEVEL >= 1,