net: mvpp2: debugfs: Add pmap to fs dump

There was an unused variable 'mvpp2_dbgfs_prs_pmap_fops'
Added a usage consistent with other fops to dump pmap
to userspace.

Cc: clang-built-linux@googlegroups.com
Link: ClangBuiltLinux/linux#529
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: nhukc

drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c

@@ -566,6 +566,9 @@ static int mvpp2_dbgfs_prs_entry_init(struct dentry *parent,
 	debugfs_create_file("hits", 0444, prs_entry_dir, entry,
 			    &mvpp2_dbgfs_prs_hits_fops);
 
+	debugfs_create_file("pmap", 0444, prs_entry_dir, entry,
+			     &mvpp2_dbgfs_prs_pmap_fops);
+
 	return 0;
 }