staging/rdma/hfi1: Add blank link after declarations

Add blank line after declarations to fix checkpatch check:
CHECK: Please use a blank line after function/struct/union/enum
declarations

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/staging/rdma/hfi1/hfi.h b/drivers/staging/rdma/hfi1/hfi.h
index de82f8e..805535e 100644
--- a/drivers/staging/rdma/hfi1/hfi.h
+++ b/drivers/staging/rdma/hfi1/hfi.h
@@ -1495,6 +1495,7 @@
 		mtu == 1024 || mtu == 2048 ||
 		mtu == 4096;
 }
+
 static inline int valid_opa_max_mtu(unsigned int mtu)
 {
 	return mtu >= 2048 &&