i40e: Replace one-element array with flex-array member in struct i40e_profile_segment

One-element and zero-length arrays are deprecated. So, replace
one-element array in struct i40e_profile_segment with flexible-array
member.

This results in no differences in binary output.

Link: KSPP/linux#335
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel)
Tested-by: Justin Stitt <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>

Author: GustavoARSilva

drivers/net/ethernet/intel/i40e/i40e_type.h

@@ -1486,7 +1486,7 @@ struct i40e_profile_segment {
 	struct i40e_ddp_version version;
 	char name[I40E_DDP_NAME_SIZE];
 	u32 device_table_count;
-	struct i40e_device_id_entry device_table[1];
+	struct i40e_device_id_entry device_table[];
 };
 
 struct i40e_section_table {