I2C: TWL4030: Give a name to twl4030 irq_chip

Small cleanup to beautify /proc/interrupts.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/i2c/chips/twl4030-core.c

@@ -238,6 +238,7 @@ static void twl4030_i2c_enableint(unsigned int irq) {}
 
 /* information for processing in the Work Item */
 static struct irq_chip twl4030_irq_chip = {
+	.name	= "twl4030",
 	.ack	= twl4030_i2c_ackirq,
 	.mask	= twl4030_i2c_disableint,
 	.unmask	= twl4030_i2c_enableint,