gpio-mcp23s08: dbg_show: fix pullup configuration display

Pullups are enabled when bits are set, not when cleared.

Signed-off-by: Peter Korsgaard <[e-mail]>
Signed-off-by: Grant Likely <[e-mail]>

drivers/gpio/gpio-mcp23s08.c

···
 			chip->base + t, bank, t, label,
 			(mcp->cache[MCP_IODIR] & mask) ? "in " : "out",
 			(mcp->cache[MCP_GPIO] & mask) ? "hi" : "lo",
-			(mcp->cache[MCP_GPPU] & mask) ? "  " : "up");
+			(mcp->cache[MCP_GPPU] & mask) ? "up" : "  ");
 		/* NOTE:  ignoring the irq-related registers */
 		seq_printf(s, "\n");
 	}