datarmnet: Fix build error

Signed-off-by: chandu078 <[email protected]>

qcom/opensource/datarmnet/core/rmnet_ctl.h

@@ -35,8 +35,8 @@ struct rmnet_ctl_client_if {
 struct rmnet_ctl_client_if *rmnet_ctl_if(void);
 int rmnet_ctl_get_stats(u64 *s, int n);
 #else
-static inline struct rmnet_ctl_client_if *rmnet_ctl_if(void) {return NULL;};
-static inline int rmnet_ctl_get_stats(u64 *s, int n) {return 0;};
+struct rmnet_ctl_client_if *rmnet_ctl_if(void);
+int rmnet_ctl_get_stats(u64 *s, int n);
 #endif /* CONFIG_RMNET_LA_PLATFORM */
 
 #endif /* _RMNET_CTL_H_ */