[MLIR] Fix LLVM doc link in MemRefOps.td (llvm#155254)

Author: jackalcooper

mlir/include/mlir/Dialect/MemRef/IR/MemRefOps.td

@@ -1214,7 +1214,7 @@ def LoadOp : MemRef_Op<"load",
 
     A set `nontemporal` attribute indicates that this load is not expected to
     be reused in the cache. For details, refer to the
-    [https://llvm.org/docs/LangRef.html#load-instruction](LLVM load instruction).
+    [LLVM load instruction](https://llvm.org/docs/LangRef.html#load-instruction).
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     load operation. It must be a positive power of 2. The operation must access
@@ -1947,7 +1947,7 @@ def MemRef_StoreOp : MemRef_Op<"store",
 
     A set `nontemporal` attribute indicates that this store is not expected to
     be reused in the cache. For details, refer to the
-    [https://llvm.org/docs/LangRef.html#store-instruction](LLVM store instruction).
+    [LLVM store instruction](https://llvm.org/docs/LangRef.html#store-instruction).
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     store operation. It must be a positive power of 2. The operation must access