media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T and MBIN_SEGMENT_T

Replace the older style one-element array with a flexible array member.
There does not seem to be any allocation for these structs in the code, so
no more code changes are required.

The following cocci warnings are fixed:
drivers/media/dvb-frontends/mxl5xx_defs.h:182:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/dvb-frontends/mxl5xx_defs.h:171:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/dvb-frontends/mxl5xx_defs.h

@@ -168,7 +168,7 @@ struct MBIN_FILE_HEADER_T {
 
 struct MBIN_FILE_T {
 	struct MBIN_FILE_HEADER_T header;
-	u8 data[1];
+	u8 data[];
 };
 
 struct MBIN_SEGMENT_HEADER_T {
@@ -179,7 +179,7 @@ struct MBIN_SEGMENT_HEADER_T {
 
 struct MBIN_SEGMENT_T {
 	struct MBIN_SEGMENT_HEADER_T header;
-	u8 data[1];
+	u8 data[];
 };
 
 enum MXL_CMD_TYPE_E { MXL_CMD_WRITE = 0, MXL_CMD_READ };