ia64: Use pr_warn instead of pr_warning

As said in commit f2c2cbcc ("powerpc: Use pr_warn instead of
pr_warning"), removing pr_warning so all logging messages use a
consistent <prefix>_warn style. Let's do it.

Link: http://lkml.kernel.org/r/20191018031850.48498-3-wangkefeng.wang@huawei.com
To: linux-kernel@vger.kernel.org
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>

arch/ia64/kernel/setup.c

@@ -286,7 +286,7 @@ static void __init setup_crashkernel(unsigned long total, int *n)
 		}
 
 		if (!check_crashkernel_memory(base, size)) {
-			pr_warning("crashkernel: There would be kdump memory "
+			pr_warn("crashkernel: There would be kdump memory "
 				"at %ld GB but this is unusable because it "
 				"must\nbe below 4 GB. Change the memory "
 				"configuration of the machine.\n",