ov5645: Fix output of sysfs node

The output of the print_reg node is missing the first digit

Change-Id: I4a65aae3167a7a110e4ced0f98851a4967f3b078
diff --git a/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c b/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c
index 4855a1b..90d10be 100644
--- a/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c
+++ b/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c
@@ -3028,7 +3028,7 @@
 	if (retval < 0)
 		return 0;
 	cnt = sprintf(buffer, "0x%04x: 0x%02x",
-		(unsigned int)(reg_addr_to_read & 0xfff), (unsigned int)val);
+		(unsigned int)(reg_addr_to_read & 0xffff), (unsigned int)val);
 	return cnt;
 }