qe: Use GFP_ATOMIC while spin_lock_irqsave is held

cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>

drivers/soc/fsl/qe/qe_common.c

@@ -121,7 +121,7 @@ static unsigned long cpm_muram_alloc_common(unsigned long size,
 		goto out2;
 	start = start - GENPOOL_OFFSET;
 	memset_io(cpm_muram_addr(start), 0, size);
-	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
 	if (!entry)
 		goto out1;
 	entry->start = start;