mfd: wm5102: Make DSP scratch registers readable

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index ff8f080..d754596 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1795,6 +1795,10 @@
 	case ARIZONA_DSP1_STATUS_1:
 	case ARIZONA_DSP1_STATUS_2:
 	case ARIZONA_DSP1_STATUS_3:
+	case ARIZONA_DSP1_SCRATCH_0:
+	case ARIZONA_DSP1_SCRATCH_1:
+	case ARIZONA_DSP1_SCRATCH_2:
+	case ARIZONA_DSP1_SCRATCH_3:
 		return true;
 	default:
 		if ((reg >= 0x100000 && reg < 0x106000) ||
@@ -1849,6 +1853,10 @@
 	case ARIZONA_DSP1_STATUS_1:
 	case ARIZONA_DSP1_STATUS_2:
 	case ARIZONA_DSP1_STATUS_3:
+	case ARIZONA_DSP1_SCRATCH_0:
+	case ARIZONA_DSP1_SCRATCH_1:
+	case ARIZONA_DSP1_SCRATCH_2:
+	case ARIZONA_DSP1_SCRATCH_3:
 	case ARIZONA_HEADPHONE_DETECT_2:
 	case ARIZONA_MIC_DETECT_3:
 		return true;