staging: rdma: hfi1: driver: Replace IS_ALIGNED with PAGE_ALIGNED

mm.h contains a helper function PAGE_ALIGNED which tests whether
an address is aligned to PAGE_SIZE instead of using
IS_ALIGNED(expression, PAGE_SIZE)

This change was made with the help of the following Coccinelle
semantic patch:
//<smpl>
@@
expression e;
symbol PAGE_SIZE;
@@
(
- ALIGN(e, PAGE_SIZE)
+ PAGE_ALIGN(e)
|
- IS_ALIGNED(e, PAGE_SIZE)
+ PAGE_ALIGNED(e)
)
//</smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rdma/hfi1/driver.c

@@ -246,7 +246,7 @@ static inline void *get_egrbuf(const struct hfi1_ctxtdata *rcd, u64 rhf,
  */
 inline int hfi1_rcvbuf_validate(u32 size, u8 type, u16 *encoded)
 {
-	if (unlikely(!IS_ALIGNED(size, PAGE_SIZE)))
+	if (unlikely(!PAGE_ALIGNED(size)))
 		return 0;
 	if (unlikely(size < MIN_EAGER_BUFFER))
 		return 0;