powerpc/mobility: fix repeated words in comments

Delete the redundant word 'the'.

Signed-off-by: Jilin Yuan <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/powerpc/platforms/pseries/mobility.c

···
 		nprops = be32_to_cpu(upwa->nprops);
 
 		/* On the first call to ibm,update-properties for a node the
-		 * the first property value descriptor contains an empty
+		 * first property value descriptor contains an empty
 		 * property name, the property value length encoded as u32,
 		 * and the property value is the node path being updated.
 		 */