mfd: Rename twl5031 sih modules

Fix the names of twl5031 specific sih modules to match
the documentation.

Signed-off-by: Ilkka Koskinen <[e-mail]>
Signed-off-by: Samuel Ortiz <[e-mail]>

drivers/mfd/twl4030-irq.c

···
 	},
 	[6] = {
 		/*
-		 * ACI doesn't use the same SIH organization.
-		 * For example, it supports only one interrupt line
+		 * ECI/DBI doesn't use the same SIH organization.
+		 * For example, it supports only one interrupt output line.
+		 * That is, the interrupts are seen on both INT1 and INT2 lines.
 		 */
-		.name		= "aci",
+		.name		= "eci_dbi",
 		.module		= TWL5031_MODULE_ACCESSORY,
 		.bits		= 9,
 		.bytes_ixr	= 2,
···
 
 	},
 	[7] = {
-		/* Accessory */
-		.name		= "acc",
+		/* Audio accessory */
+		.name		= "audio",
 		.module		= TWL5031_MODULE_ACCESSORY,
 		.control_offset	= TWL5031_ACCSIHCTRL,
 		.bits		= 2,